import { Logger, FileSystem } from '@servicenow/sdk-project';
import { SessionOrToken, UserSession } from '../auth';
export declare function downloadUpdateSet(props: {
    updateSetId: string;
    scopeId: string;
    downloadDir: string;
}, auth: UserSession, fs: FileSystem, logger: Logger): Promise<void>;
export declare function canIncrementalFetch(auth: SessionOrToken, logger: Logger): Promise<boolean>;
export declare function downloadMetadata(props: {
    scope: string;
    directory: string;
}, auth: SessionOrToken, downloadDir: string, fs: FileSystem, logger: Logger, options?: {
    completeApp: boolean;
    lastPull?: string | undefined;
}): Promise<void>;
export declare function downloadAppPackage(scope: string, downloadDir: string, auth: SessionOrToken, fs: FileSystem, logger: Logger, completeApp: boolean, lastPull?: string): Promise<boolean>;
export declare function noThrow<T>(action: () => T): Error | T;