/// <reference types="execa" />
export declare class Command {
    private _cmd;
    constructor(start?: string | Command);
    add(value: string | Command, include?: boolean): Command;
    addLine(value: string, include?: boolean): Command;
    newLine(include?: boolean): Command;
    arg(value: string, include?: boolean): Command;
    alias(value: string, include?: boolean): Command;
    readonly value: string;
    toString(): string;
    clone(): Command;
    run(options?: {
        silent?: boolean;
    }): import("execa").ExecaChildProcess;
}
export declare const command: (start?: string | Command | undefined) => Command;
