import type { PackageJson, SparkeeConfig, WorkspacePackages } from '../types';
export declare function isNotNullOrUndefined<T>(input: null | undefined | T): input is T;
export declare function getFirstRegexGroup(regexp: RegExp, url: string): string[];
export declare const fileExists: (path: string) => Promise<boolean>;
export declare function exit(): void;
export declare function formatStdout(stdout: string): string;
export declare function getWorkspacePackages(): Promise<PackageJson[]>;
export declare function getPkgsProperty(property: string): Promise<Array<keyof PackageJson>>;
export declare function exec(cmd: string, silent?: boolean): Promise<{
    stdout: string;
    stderr: string;
    code: number;
}>;
export declare function step(msg: string): void;
export declare function getChangedPackages(force?: boolean): Promise<WorkspacePackages>;
export declare function updateVersions(packageList: WorkspacePackages): Promise<void[]>;
export declare function runTaskSync(tasks: Function[]): Promise<any[]>;
export declare function getSparkeeConfig(): Promise<SparkeeConfig>;
export declare function getPackageJson(packageJsonPath?: string): Promise<PackageJson>;