import { Executor } from './Executor';
import { ICompiler } from '../Compiler';
import { CommandExecutor } from './Command';
import { FFmpegProcess } from '../Utils/FFmpegProcess';
/**
 * @hidden
 */
export interface Class<T, A extends any[] = []> {
    new (...args: A): T;
}
/**
 * @category composable/executors
 */
export declare class ConversionExecutor extends Executor<FFmpegProcess> {
    static execute(compiler?: ICompiler): FFmpegProcess;
    compiler: ICompiler;
    command: CommandExecutor;
    constructor(compiler?: ICompiler);
    createProcess<T>(factory: Class<T, [string[]]>): T;
    createProcess(): FFmpegProcess;
    execute(): FFmpegProcess;
    toString(): string;
}