message: fix extract-api
diff: @@ -152,7 +152,7 @@ export class IModelTransformer extends IModelExportHandler {
  protected onExportFont(font: FontProps, _isUpdate: boolean | undefined): void;
  protected onExportModel(sourceModel: Model): void;
  protected onExportRelationship(sourceRelationship: Relationship): void;
  - protected onExportSchema(_schema: ECSchemaMetaData.Schema): Promise<void>;
  + protected onExportSchema(schema: ECSchemaMetaData.Schema): Promise<void>;
  protected onTransformElement(sourceElement: Element): ElementProps;
  protected onTransformElementAspect(sourceElementAspect: ElementAspect, _targetElementId: Id64String): ElementAspectProps;
  protected onTransformModel(sourceModel: Model, targetModeledElementId: Id64String): ModelProps;
  