docs/extension.schema.v1.json

   1 {
   2         "$schema": "http://json-schema.org/schema#",
   3         "description": "MediaWiki extension.json schema",
   4         "type": "object",
   5         "properties": {
   6                 "manifest_version": {
   7                         "type": "integer",
   8                         "description": "Version of the extension.json schema the extension.json file is in.",
   9                         "required": true
  10                 },
  11                 "name": {
  12                         "type": "string",
  13                         "description": "The extension's canonical name.",
  14                         "required": true
  15                 },
  16                 "namemsg": {
  17                         "type": "string",
  18                         "description": "i18n message key of the extension's name."
  19                 },
  20                 "type": {
  21                         "type": "string",
  22                         "description": "The extension's type, as an index to $wgExtensionCredits.",
  23                         "default": "other"
  24                 },
  25                 "author": {
  26                         "type": [
  27                                 "string",
  28                                 "array"
  29                         ],
  30                         "description": "Extension's authors.",
  31                         "items": {
  32                                 "type": "string"
  33                         }
  34                 },
  35                 "version": {
  36                         "type": "string",
  37                         "description": "The version of this release of the extension."
  38                 },
  39                 "url": {
  40                         "type": "string",
  41                         "description": "URL to the homepage for the extension.",
  42                         "format": "uri-reference"
  43                 },
  44                 "description": {
  45                         "type": "string",
  46                         "description": "Raw description of the extension."
  47                 },
  48                 "descriptionmsg": {
  49                         "type": "string",
  50                         "description": "Message key for a i18n message describing the extension."
  51                 },
  52                 "license-name": {
  53                         "type": "string",
  54                         "description": "SPDX identifier for the license under which the extension is released."
  55                 },
  56                 "requires": {
  57                         "type": "object",
  58                         "description": "Indicates what versions of PHP, MediaWiki core or extensions are required. This syntax may be extended in the future, for example to check dependencies between other services.",
  59                         "additionalProperties": false,
  60                         "properties": {
  61                                 "MediaWiki": {
  62                                         "type": "string",
  63                                         "description": "Version constraint string against MediaWiki core."
  64                                 },
  65                                 "platform": {
  66                                         "type": "object",
  67                                         "description": "Indicates version constraints against platform services.",
  68                                         "additionalProperties": false,
  69                                         "properties": {
  70                                                 "php": {
  71                                                         "type": "string",
  72                                                         "description": "Version constraint string against PHP."
  73                                                 }
  74                                         },
  75                                         "patternProperties": {
  76                                                 "^ext-": {
  77                                                         "type": "string",
  78                                                         "description": "Required PHP extension.",
  79                                                         "const": "*"
  80                                                 }
  81                                         }
  82                                 },
  83                                 "extensions": {
  84                                         "type": "object",
  85                                         "description": "Set of version constraint strings against specific extensions."
  86                                 },
  87                                 "skins": {
  88                                         "type": "object",
  89                                         "description": "Set of version constraint strings against specific skins."
  90                                 }
  91                         }
  92                 },
  93                 "ResourceFileModulePaths": {
  94                         "type": "object",
  95                         "description": "Default paths to use for all ResourceLoader file modules",
  96                         "additionalProperties": false,
  97                         "properties": {
  98                                 "localBasePath": {
  99                                         "type": "string",
 100                                         "description": "Base path to prepend to all local paths, relative to current directory"
 101                                 },
 102                                 "remoteExtPath": {
 103                                         "type": "string",
 104                                         "description": "Base path to prepend to all remote paths, relative to $wgExtensionAssetsPath"
 105                                 },
 106                                 "remoteSkinPath": {
 107                                         "type": "string",
 108                                         "description": "Base path to prepend to all remote paths, relative to $wgStylePath"
 109                                 }
 110                         }
 111                 },
 112                 "ResourceModules": {
 113                         "type": "object",
 114                         "description": "ResourceLoader modules to register",
 115                         "patternProperties": {
 116                                 "^[a-zA-Z0-9-\\.]+$": {
 117                                         "type": "object",
 118                                         "anyOf": [
 119                                                 {
 120                                                         "description": "A ResourceLoaderFileModule definition",
 121                                                         "additionalProperties": false,
 122                                                         "properties": {
 123                                                                 "localBasePath": {
 124                                                                         "type": "string",
 125                                                                         "description": "Base path to prepend to all local paths in $options. Defaults to $IP"
 126                                                                 },
 127                                                                 "remoteBasePath": {
 128                                                                         "type": "string",
 129                                                                         "description": "Base path to prepend to all remote paths in $options. Defaults to $wgScriptPath"
 130                                                                 },
 131                                                                 "remoteExtPath": {
 132                                                                         "type": "string",
 133                                                                         "description": "Equivalent of remoteBasePath, but relative to $wgExtensionAssetsPath"
 134                                                                 },
 135                                                                 "skipFunction": {
 136                                                                         "type": "string",
 137                                                                         "description": "Path to a file containing a JavaScript \"skip function\", if desired."
 138                                                                 },
 139                                                                 "scripts": {
 140                                                                         "type": ["string", "array"],
 141                                                                         "description": "Scripts to always include (array of file paths)",
 142                                                                         "items": {
 143                                                                                 "type": "string"
 144                                                                         }
 145                                                                 },
 146                                                                 "languageScripts": {
 147                                                                         "type": "object",
 148                                                                         "description": "Scripts to include in specific language contexts (mapping of language code to file path(s))",
 149                                                                         "patternProperties": {
 150                                                                                 "^[a-zA-Z0-9-]{2,}$": {
 151                                                                                         "type": [
 152                                                                                                 "string",
 153                                                                                                 "array"
 154                                                                                         ],
 155                                                                                         "items": {
 156                                                                                                 "type": "string"
 157                                                                                         }
 158                                                                                 }
 159                                                                         }
 160                                                                 },
 161                                                                 "skinScripts": {
 162                                                                         "type": "object",
 163                                                                         "description": "Scripts to include in specific skin contexts (mapping of skin name to script(s)",
 164                                                                         "patternProperties": {
 165                                                                                 ".+": {
 166                                                                                         "type": [
 167                                                                                                 "string",
 168                                                                                                 "array"
 169                                                                                         ],
 170                                                                                         "items": {
 171                                                                                                 "type": "string"
 172                                                                                         }
 173                                                                                 }
 174                                                                         }
 175                                                                 },
 176                                                                 "debugScripts": {
 177                                                                         "type": ["string", "array"],
 178                                                                         "description": "Scripts to include in debug contexts",
 179                                                                         "items": {
 180                                                                                 "type": "string"
 181                                                                         }
 182                                                                 },
 183                                                                 "loaderScripts": {
 184                                                                         "type": ["string", "array"],
 185                                                                         "description": "Scripts to include in the startup module",
 186                                                                         "items": {
 187                                                                                 "type": "string"
 188                                                                         }
 189                                                                 },
 190                                                                 "dependencies": {
 191                                                                         "type": ["string", "array"],
 192                                                                         "description": "Modules which must be loaded before this module",
 193                                                                         "items": {
 194                                                                                 "type": "string"
 195                                                                         }
 196                                                                 },
 197                                                                 "styles": {
 198                                                                         "type": ["string", "array", "object"],
 199                                                                         "description": "Styles to always load",
 200                                                                         "items": {
 201                                                                                 "type": "string"
 202                                                                         }
 203                                                                 },
 204                                                                 "skinStyles": {
 205                                                                         "type": "object",
 206                                                                         "description": "Styles to include in specific skin contexts (mapping of skin name to style(s))",
 207                                                                         "patternProperties": {
 208                                                                                 ".+": {
 209                                                                                         "type": [
 210                                                                                                 "string",
 211                                                                                                 "array"
 212                                                                                         ],
 213                                                                                         "items": {
 214                                                                                                 "type": "string"
 215                                                                                         }
 216                                                                                 }
 217                                                                         }
 218                                                                 },
 219                                                                 "messages": {
 220                                                                         "type": ["string", "array"],
 221                                                                         "description": "Messages to always load",
 222                                                                         "items": {
 223                                                                                 "type": "string"
 224                                                                         }
 225                                                                 },
 226                                                                 "group": {
 227                                                                         "type": "string",
 228                                                                         "description": "Group which this module should be loaded together with"
 229                                                                 },
 230                                                                 "deprecated": {
 231                                                                         "type": ["object", "string", "boolean"],
 232                                                                         "description": "Whether the module is deprecated and usage is discouraged. Either a boolean, or a string or an object with key message can be used to customise deprecation message."
 233                                                                 },
 234                                                                 "position": {
 235                                                                         "type": "string",
 236                                                                         "description": "Position on the page to load this module at",
 237                                                                         "enum": [
 238                                                                                 "bottom",
 239                                                                                 "top"
 240                                                                         ]
 241                                                                 },
 242                                                                 "templates": {
 243                                                                         "type": ["object", "array"],
 244                                                                         "description": "Templates to be loaded for client-side usage"
 245                                                                 },
 246                                                                 "targets": {
 247                                                                         "type": ["string", "array"],
 248                                                                         "description": "ResourceLoader target the module can run on",
 249                                                                         "items": {
 250                                                                                 "type": "string"
 251                                                                         }
 252                                                                 },
 253                                                                 "noflip": {
 254                                                                         "type": "boolean",
 255                                                                         "description": "Whether to skip CSSJanus LTR-to-RTL flipping for this module. Recommended for styles imported from libraries that already properly handle their RTL styles. Default is false, meaning CSSJanus will be applied on RTL-mode output."
 256                                                                 }
 257                                                         }
 258                                                 },
 259                                                 {
 260                                                         "description": "A ResourceLoaderWikiModule definition",
 261                                                         "additionalProperties": false,
 262                                                         "properties": {
 263                                                                 "class": {
 264                                                                         "enum": ["ResourceLoaderWikiModule"]
 265                                                                 },
 266                                                                 "group": {
 267                                                                         "type": "string",
 268                                                                         "description": "Group which this module should be loaded together with"
 269                                                                 },
 270                                                                 "position": {
 271                                                                         "type": "string",
 272                                                                         "description": "Position on the page to load this module at",
 273                                                                         "enum": [
 274                                                                                 "bottom",
 275                                                                                 "top"
 276                                                                         ]
 277                                                                 },
 278                                                                 "targets": {
 279                                                                         "type": ["string", "array"],
 280                                                                         "description": "ResourceLoader target the module can run on",
 281                                                                         "items": {
 282                                                                                 "type": "string"
 283                                                                         }
 284                                                                 },
 285                                                                 "scripts": {
 286                                                                         "type": "array",
 287                                                                         "items": {
 288                                                                                 "type": "string"
 289                                                                         }
 290                                                                 },
 291                                                                 "styles": {
 292                                                                         "type": "array",
 293                                                                         "items": {
 294                                                                                 "type": "string"
 295                                                                         }
 296                                                                 }
 297                                                         }
 298                                                 },
 299                                                 {
 300                                                         "description": "A ResourceLoaderImageModule definition",
 301                                                         "additionalProperties": false,
 302                                                         "properties": {
 303                                                                 "class": {
 304                                                                         "enum": ["ResourceLoaderImageModule"]
 305                                                                 },
 306                                                                 "defaultColor": {
 307                                                                         "type": "string"
 308                                                                 },
 309                                                                 "data": {
 310                                                                         "type": "string"
 311                                                                 },
 312                                                                 "prefix": {
 313                                                                         "type": "string"
 314                                                                 },
 315                                                                 "selector": {
 316                                                                         "type": "string"
 317                                                                 },
 318                                                                 "selectorWithoutVariant": {
 319                                                                         "type": "string"
 320                                                                 },
 321                                                                 "selectorWithVariant": {
 322                                                                         "type": "string"
 323                                                                 },
 324                                                                 "useDataURI": {
 325                                                                         "type": "boolean"
 326                                                                 },
 327                                                                 "variants": {
 328                                                                         "type": "object"
 329                                                                 },
 330                                                                 "images": {
 331                                                                         "type": "object"
 332                                                                 },
 333                                                                 "position": {
 334                                                                         "enum": [
 335                                                                                 "top",
 336                                                                                 "bottom"
 337                                                                         ]
 338                                                                 }
 339                                                         }
 340                                                 },
 341                                                 {
 342                                                         "description": "An arbitrary ResourceLoaderModule definition",
 343                                                         "properties": {
 344                                                                 "class": {
 345                                                                         "type": "string",
 346                                                                         "pattern": "^((?!ResourceLoader(File|Image)Module).)*$"
 347                                                                 }
 348                                                         },
 349                                                         "required": ["class"]
 350                                                 }
 351                                         ]
 352                                 }
 353                         }
 354                 },
 355                 "ResourceModuleSkinStyles": {
 356                         "type": "object",
 357                         "description": "ResourceLoader modules for custom skin styles"
 358                 },
 359                 "ResourceLoaderSources": {
 360                         "type": "object",
 361                         "description": "ResourceLoader sources to register"
 362                 },
 363                 "QUnitTestModule": {
 364                         "type": "object",
 365                         "description": "A ResourceLoaderFileModule definition registered only when wgEnableJavaScriptTest is true."
 366                 },
 367                 "ConfigRegistry": {
 368                         "type": "object",
 369                         "description": "Registry of factory functions to create Config objects"
 370                 },
 371                 "SessionProviders": {
 372                         "type": "object",
 373                         "description": "Session providers"
 374                 },
 375                 "AuthManagerAutoConfig": {
 376                         "type": "object",
 377                         "description": "AuthManager auto-configuration",
 378                         "additionalProperties": false,
 379                         "properties": {
 380                                 "preauth": {
 381                                         "type": "object",
 382                                         "description": "Pre-authentication providers"
 383                                 },
 384                                 "primaryauth": {
 385                                         "type": "object",
 386                                         "description": "Primary authentication providers"
 387                                 },
 388                                 "secondaryauth": {
 389                                         "type": "object",
 390                                         "description": "Secondary authentication providers"
 391                                 }
 392                         }
 393                 },
 394                 "CentralIdLookupProviders": {
 395                         "type": "object",
 396                         "description": "Central ID lookup providers"
 397                 },
 398                 "namespaces": {
 399                         "type": "array",
 400                         "description": "Method to add extra namespaces",
 401                         "items": {
 402                                 "type": "object",
 403                                 "properties": {
 404                                         "id": {
 405                                                 "type": "integer"
 406                                         },
 407                                         "constant": {
 408                                                 "type": "string"
 409                                         },
 410                                         "name": {
 411                                                 "type": "string"
 412                                         },
 413                                         "gender": {
 414                                                 "type": "object",
 415                                                 "properties": {
 416                                                         "male": {
 417                                                                 "type": "string"
 418                                                         },
 419                                                         "female": {
 420                                                                 "type": "string"
 421                                                         }
 422                                                 }
 423                                         },
 424                                         "subpages": {
 425                                                 "type": "boolean",
 426                                                 "default": false
 427                                         },
 428                                         "content": {
 429                                                 "type": "boolean",
 430                                                 "default": false
 431                                         },
 432                                         "defaultcontentmodel": {
 433                                                 "type": "string"
 434                                         },
 435                                         "protection": {
 436                                                 "type": ["string", "array"],
 437                                                 "description": "Userright(s) required to edit in this namespace"
 438                                         },
 439                                         "capitallinkoverride": {
 440                                                 "type": "boolean",
 441                                                 "description": "Set $wgCapitalLinks on a per-namespace basis"
 442                                         },
 443                                         "conditional": {
 444                                                 "type": "boolean",
 445                                                 "description": "Whether the namespace is conditional upon configuration and should not be registered (requires separate registration via a hook)",
 446                                                 "default": false
 447                                         }
 448                                 },
 449                                 "required": ["id", "constant", "name"]
 450                         }
 451                 },
 452                 "TrackingCategories": {
 453                         "type": "array",
 454                         "description": "Tracking category message keys",
 455                         "items": {
 456                                 "type": "string"
 457                         }
 458                 },
 459                 "DefaultUserOptions": {
 460                         "type": "object",
 461                         "description": "Default values of user options"
 462                 },
 463                 "HiddenPrefs": {
 464                         "type": "array",
 465                         "description": "Preferences users cannot set",
 466                         "items": {
 467                                 "type": "string"
 468                         }
 469                 },
 470                 "GroupPermissions": {
 471                         "type": "object",
 472                         "description": "Default permissions to give to user groups",
 473                         "patternProperties": {
 474                                 "^[a-z]+$": {
 475                                         "type": "object",
 476                                         "patternProperties": {
 477                                                 "^[a-z]+$": {
 478                                                         "type": "boolean"
 479                                                 }
 480                                         }
 481                                 }
 482                         }
 483                 },
 484                 "RevokePermissions": {
 485                         "type": "object",
 486                         "description": "Default permissions to revoke from user groups",
 487                         "patternProperties": {
 488                                 "^[a-z]+$": {
 489                                         "type": "object",
 490                                         "patternProperties": {
 491                                                 "^[a-z]+$": {
 492                                                         "type": "boolean"
 493                                                 }
 494                                         }
 495                                 }
 496                         }
 497                 },
 498                 "GrantPermissions": {
 499                         "type": "object",
 500                         "description": "Map of permissions granted to authorized consumers to their bundles, called 'grants'",
 501                         "patternProperties": {
 502                                 "^[a-z]+$": {
 503                                         "type": "object",
 504                                         "patternProperties": {
 505                                                 "^[a-z]+$": {
 506                                                         "type": "boolean"
 507                                                 }
 508                                         }
 509                                 }
 510                         }
 511                 },
 512                 "GrantPermissionGroups": {
 513                         "type": "object",
 514                         "description": "Map of grants to their UI grouping",
 515                         "patternProperties": {
 516                                 "^[a-z]+$": {
 517                                         "type": "string"
 518                                 }
 519                         }
 520                 },
 521                 "ImplicitGroups": {
 522                         "type": "array",
 523                         "description": "Implicit groups"
 524                 },
 525                 "GroupsAddToSelf": {
 526                         "type": "object",
 527                         "description": "Groups a user can add to themselves"
 528                 },
 529                 "GroupsRemoveFromSelf": {
 530                         "type": "object",
 531                         "description": "Groups a user can remove from themselves"
 532                 },
 533                 "AddGroups": {
 534                         "type": "object",
 535                         "description": "Groups a user can add to users"
 536                 },
 537                 "RemoveGroups": {
 538                         "type": "object",
 539                         "description": "Groups a user can remove from users"
 540                 },
 541                 "AvailableRights": {
 542                         "type": "array",
 543                         "description": "User rights added by the extension",
 544                         "items": {
 545                                 "type": "string"
 546                         }
 547                 },
 548                 "ContentHandlers": {
 549                         "type": "object",
 550                         "description": "Mapping of model ID to class name",
 551                         "patternProperties": {
 552                                 "^[A-Za-z]+$": {
 553                                         "type": "string"
 554                                 }
 555                         }
 556                 },
 557                 "RateLimits": {
 558                         "type": "object",
 559                         "description": "Rate limits"
 560                 },
 561                 "RecentChangesFlags": {
 562                         "type": "object",
 563                         "description": "Flags (letter symbols) shown on RecentChanges pages"
 564                 },
 565                 "MediaHandlers": {
 566                         "type": "object",
 567                         "description": "Plugins for media file type handling. Each entry in the array maps a MIME type to a PHP class name."
 568                 },
 569                 "ExtensionFunctions": {
 570                         "type": [
 571                                 "array",
 572                                 "string"
 573                         ],
 574                         "description": "Function to call after setup has finished",
 575                         "items": {
 576                                 "type": "string"
 577                         }
 578                 },
 579                 "ExtensionMessagesFiles": {
 580                         "type": "object",
 581                         "description": "File paths containing PHP internationalization data"
 582                 },
 583                 "MessagesDirs": {
 584                         "type": "object",
 585                         "description": "Directory paths containing JSON internationalization data"
 586                 },
 587                 "ExtensionEntryPointListFiles": {
 588                         "type": "object"
 589                 },
 590                 "SpecialPages": {
 591                         "type": "object",
 592                         "description": "SpecialPages implemented in this extension (mapping of page name to class name)"
 593                 },
 594                 "AutoloadNamespaces": {
 595                         "type": "object",
 596                         "description": "Mapping of PSR-4 compliant namespace to directory for autoloading",
 597                         "patternProperties": {
 598                                 "^[A-Za-z0-9\\\\]+\\\\$": {
 599                                         "type": "string"
 600                                 }
 601                         },
 602                         "additionalProperties": false
 603                 },
 604                 "AutoloadClasses": {
 605                         "type": "object"
 606                 },
 607                 "Hooks": {
 608                         "type": [ "string", "object" ],
 609                         "description": "Hooks this extension uses (mapping of hook name to callback)"
 610                 },
 611                 "JobClasses": {
 612                         "type": "object",
 613                         "description": "Job types this extension implements (mapping of job type to class name or factory function)"
 614                 },
 615                 "LogTypes": {
 616                         "type": "array",
 617                         "description": "List of new log types this extension uses"
 618                 },
 619                 "LogRestrictions": {
 620                         "type": "object"
 621                 },
 622                 "FilterLogTypes": {
 623                         "type": "object"
 624                 },
 625                 "ActionFilteredLogs": {
 626                         "type": "object",
 627                         "description": "List of log types which can be filtered by log actions",
 628                         "patternProperties": {
 629                                 "^[a-z-]+$": {
 630                                         "type": "object",
 631                                         "patternProperties": {
 632                                                 "^[a-z-]+$": {
 633                                                         "type": "array",
 634                                                         "items": {
 635                                                                 "type": "string"
 636                                                         }
 637                                                 }
 638                                         }
 639                                 }
 640                         }
 641                 },
 642                 "LogNames": {
 643                         "type": "object"
 644                 },
 645                 "LogHeaders": {
 646                         "type": "object"
 647                 },
 648                 "LogActions": {
 649                         "type": "object"
 650                 },
 651                 "LogActionsHandlers": {
 652                         "type": "object"
 653                 },
 654                 "Actions": {
 655                         "type": "object"
 656                 },
 657                 "APIModules": {
 658                         "type": "object"
 659                 },
 660                 "APIFormatModules": {
 661                         "type": "object"
 662                 },
 663                 "APIMetaModules": {
 664                         "type": "object"
 665                 },
 666                 "APIPropModules": {
 667                         "type": "object"
 668                 },
 669                 "APIListModules": {
 670                         "type": "object"
 671                 },
 672                 "ValidSkinNames": {
 673                         "type": "object"
 674                 },
 675                 "FeedClasses": {
 676                         "type": "object",
 677                         "description": "Available feeds objects"
 678                 },
 679                 "SkinOOUIThemes": {
 680                         "type": "object"
 681                 },
 682                 "PasswordPolicy": {
 683                         "type": "object",
 684                         "description": "Password policies"
 685                 },
 686                 "FileExtensions": {
 687                         "type": "array",
 688                         "description": "Preferred file extensions for uploading",
 689                         "items": {
 690                                 "type": "string"
 691                         }
 692                 },
 693                 "RawHtmlMessages": {
 694                         "type": "array",
 695                         "description": "Messages which are rendered as raw HTML",
 696                         "items": {
 697                                 "type": "string"
 698                         }
 699                 },
 700                 "ReauthenticateTime": {
 701                         "type": "object",
 702                         "patternProperties": {
 703                                 ".*": {
 704                                         "type": "integer"
 705                                 }
 706                         }
 707                 },
 708                 "callback": {
 709                         "type": [
 710                                 "array",
 711                                 "string"
 712                         ],
 713                         "description": "A function to be called right after MediaWiki processes this file"
 714                 },
 715                 "config": {
 716                         "type": "object",
 717                         "description": "Configuration options for this extension",
 718                         "properties": {
 719                                 "_prefix": {
 720                                         "type": "string",
 721                                         "default": "wg",
 722                                         "description": "Prefix to put in front of configuration settings when exporting them to $GLOBALS"
 723                                 }
 724                         },
 725                         "patternProperties": {
 726                                 "^[a-zA-Z_\u007f-\u00ff][a-zA-Z0-9_\u007f-\u00ff]*$": {
 727                                         "properties": {
 728                                                 "_merge_strategy": {
 729                                                         "type": "string",
 730                                                         "enum": [
 731                                                                 "array_merge_recursive",
 732                                                                 "array_replace_recursive",
 733                                                                 "array_plus_2d",
 734                                                                 "array_plus",
 735                                                                 "array_merge"
 736                                                         ],
 737                                                         "default": "array_merge"
 738                                                 }
 739                                         }
 740                                 }
 741                         }
 742                 },
 743                 "ParserTestFiles": {
 744                         "type": "array",
 745                         "description": "Parser test suite files to be run by parserTests.php when no specific filename is passed to it"
 746                 },
 747                 "ServiceWiringFiles": {
 748                         "type": "array",
 749                         "description": "List of service wiring files to be loaded by the default instance of MediaWikiServices"
 750                 },
 751                 "load_composer_autoloader": {
 752                         "type": "boolean",
 753                         "description": "Load the composer autoloader for this extension, if one is present"
 754                 }
 755         }
 756 }