wikimedia / mediawiki-extensions-WikibaseQualityConstraints

				return 'subclass';

			case $instanceOrSubclassId:

				return 'instanceOrSubclass';

			default:

				throw new ConstraintParameterException(

					( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )

						->withEntityId( new PropertyId( $relationId ), Role::CONSTRAINT_PARAMETER_PROPERTY )

						->withEntityIdList(

							[

								new ItemId( $instanceId ),

								new ItemId( $subclassId ),

								new ItemId( $instanceOrSubclassId ),

							],

							Role::CONSTRAINT_PARAMETER_VALUE

						)

				);

		}

	}

				case $referencesId:

					$contextTypes[] = Context::TYPE_REFERENCE;

					break;

				default:

					throw new ConstraintParameterException(

						( new ViolationMessage( 'wbqc-violation-message-parameter-oneof' ) )

							->withEntityId( new PropertyId( $constraintScopeId ), Role::CONSTRAINT_PARAMETER_PROPERTY )

							->withEntityIdList(

								[

									new ItemId( $mainSnakId ),

									new ItemId( $qualifiersId ),

									new ItemId( $referencesId ),

								],

								Role::CONSTRAINT_PARAMETER_VALUE

							)

					);

			}

		}