- ApiResult::META_TYPE => 'kvp',
- ApiResult::META_KVP_KEY_NAME => 'key',
- ApiResult::META_PRESERVE_KEYS => $keys,
- ApiResult::META_BC_BOOLS => $bools,
- ApiResult::META_INDEXED_TAG_NAME => 'var',
+ self::META_TYPE => 'kvp',
+ self::META_KVP_KEY_NAME => 'key',
+ self::META_PRESERVE_KEYS => $keys,
+ self::META_BC_BOOLS => $bools,
+ self::META_INDEXED_TAG_NAME => 'var',