export interface SpawnResult {
    status: number | null;
    stdout: string;
    stderr: string;
}
export interface SpawnWithResultOptions {
    cwd: string;
    maxBuffer?: number;
    verbose?: boolean;
    env?: NodeJS.ProcessEnv;
    shell?: boolean;
    timeoutMs?: number;
}
/** Spawns a process and returns status code + output. */
export declare function spawnWithResult(command: string, commandArguments: string[], options: SpawnWithResultOptions): Promise<SpawnResult>;
/** Spawns a process and returns stdout, rejecting when the command fails. */
export declare function spawnWithStdout(command: string, commandArguments: string[], options: SpawnWithResultOptions): Promise<string>;
/** Spawns a process and returns stdout as a Buffer, rejecting on failure. */
export declare function spawnWithBuffer(command: string, commandArguments: string[], options: SpawnWithResultOptions): Promise<Buffer>;