Function createSpecializedApp

Returns {
    apis: ApiHolder;
    errors?: (
        | {
            code: "EXTENSION_IGNORED";
            context: { extensionId: string; plugin: FrontendPlugin };
            message: string;
        }
        | {
            code: "INVALID_EXTENSION_CONFIG_KEY";
            context: { extensionId: string };
            message: string;
        }
        | {
            code: "EXTENSION_INPUT_REDIRECT_CONFLICT";
            context: { inputName: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_INPUT_DATA_IGNORED";
            context: { inputName: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_INPUT_DATA_MISSING";
            context: { inputName: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_ATTACHMENT_CONFLICT";
            context: { inputName: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_ATTACHMENT_MISSING";
            context: { inputName: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_CONFIGURATION_INVALID";
            context: { node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_INVALID";
            context: { node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_OUTPUT_CONFLICT";
            context: { dataRefId: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_OUTPUT_MISSING";
            context: { dataRefId: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_OUTPUT_IGNORED";
            context: { dataRefId: string; node: AppNode };
            message: string;
        }
        | {
            code: "EXTENSION_FACTORY_ERROR";
            context: { node: AppNode };
            message: string;
        }
        | {
            code: "API_EXTENSION_INVALID";
            context: { node: AppNode };
            message: string;
        }
        | {
            code: "ROUTE_DUPLICATE";
            context: { routeId: string };
            message: string;
        }
        | {
            code: "ROUTE_BINDING_INVALID_VALUE";
            context: { routeId: string };
            message: string;
        }
        | {
            code: "ROUTE_NOT_FOUND";
            context: { routeId: string };
            message: string;
        }
    )[];
    tree: AppTree;
}