export interface GitRunner {
    (args: readonly string[], cwd?: string, env?: NodeJS.ProcessEnv): Promise<{
        stdout: string;
        stderr: string;
    }>;
}
export interface GitOptions {
    runner?: GitRunner;
    env?: NodeJS.ProcessEnv;
}
export interface CheckoutOptions extends GitOptions {
    force?: boolean;
}
export declare function withHardening(args: readonly string[]): string[];
export declare function clone(url: string, dest: string, opts?: GitOptions): Promise<void>;
export declare function fetch(repo: string, opts?: GitOptions): Promise<void>;
export declare function listTags(repo: string, opts?: GitOptions): Promise<string[]>;
export declare function checkout(repo: string, ref: string, opts?: CheckoutOptions): Promise<void>;
export declare function getCommitSha(repo: string, opts?: GitOptions): Promise<string>;
export declare function tryRevParse(repo: string, rev: string, opts?: GitOptions): Promise<string | null>;
export declare function getDefaultBranch(repo: string, opts?: GitOptions): Promise<string>;