import { IBuildstamp, IBuildstampOptions, IBuildstampOptionsNormalized, IGitInfo, ICallable } from './interface';
export declare const normalizeOpts: ({ cwd, output, ci, git, date, safe, extra }?: IBuildstampOptions) => IBuildstampOptionsNormalized;
export declare const buildstamp: (opts?: IBuildstampOptions) => Promise<IBuildstamp>;
export declare const getCommitBranch: (cwd: string, env: Record<string, string | undefined>) => Promise<string>;
export declare const getGitInfo: (cwd: string, env: Record<string, string | undefined>) => Promise<IGitInfo>;
export declare const getCIInfo: (env: Record<string, string | undefined>) => {
    ci_run_id: string | undefined;
    ci_run_url: string | undefined;
};
export declare const spawn: (cmd: string, args: ReadonlyArray<string>, cwd: string) => Promise<{
    stdout: string;
    stderr: string;
    status: number | null;
    signalCode: string | null;
    duration: number;
}>;
export declare const safify: <T extends ICallable>(fn: T, value?: any) => T;