import { ICompiler, IFragment, IPlaceholder } from './Compiler';
/**
 * Represents an output of the command. Usually there's only one per command, but can be more.
 * The [Streams]{@link Stream} to be included in the output should be passed in the options array, using the `-map` option.
 * ```typescript
 * const output = new Output( '/output.mp4', [ '-map', stream1, '-map', video ] );
 * ```
 *
 * @category composable
 */
export declare class Output implements IFragment {
    url: string;
    options: (string | number | IPlaceholder<string | number>)[];
    constructor(url: string, options?: (string | number | IPlaceholder<string | number>)[]);
    protected compileOptions(): string[];
    compile(compiler: ICompiler): void;
    clone(): Output;
}