import { Observable } from 'rxjs';
export interface IExec {
    code: number;
    cmd: string;
    stdout?: string;
    stderr?: string;
}
export interface IExecOptions {
    silent?: boolean;
    onExit?: () => void;
}
export declare class ExecutionError extends Error {
    code: number;
    constructor(error?: string, code?: number);
    setCode(code: number): this;
}
export declare function exec(cmd: string, options?: IExecOptions): IExec;
export declare function execWithin(path: string, cmd: string, options?: IExecOptions): IExec;
export declare function execAsync(cmd: string, options?: IExecOptions): Promise<IExec>;
export declare function execWithinAsync(path: string, cmd: string, options?: IExecOptions): Promise<IExec>;
export declare function exec$(cmd: string): Observable<IExec>;