import type { IExecuteFunctions, INodeExecutionData } from "n8n-workflow";
import type { MediaMetadata } from "./helpers";
export interface FFmpegInstance {
    load(): Promise<void>;
    run(...args: string[]): Promise<void>;
    FS(method: string, ...args: unknown[]): unknown;
    exit(): void;
    isLoaded(): boolean;
}
export interface HandlerParams {
    ctx: IExecuteFunctions;
    ffmpeg: FFmpegInstance;
    i: number;
    inputFilename: string;
    outputFilename: string;
    items: INodeExecutionData[];
    preset: string;
    getLog: () => string;
    resetLog: () => void;
}
export interface CommandResult {
    command: string[];
    outputExt: string;
    tempFiles: string[];
}
export interface MetadataOutput {
    metadata: MediaMetadata;
    tempFiles: string[];
}
export interface ImageSequenceOutput {
    command: string[];
    outputFormat: string;
    tempFiles: string[];
}
export declare function isX264Format(ext: string): boolean;