export type FFFSPath = string;
/**
 * ffmpeg-core loading configuration.
 */
export interface FFMessageLoadConfig {
    /**
     * `ffmpeg-core.js` URL.
     *
     * @defaultValue `https://unpkg.com/@ffmpeg/core@${CORE_VERSION}/dist/umd/ffmpeg-core.js`;
     */
    coreURL?: string;
    /**
     * `ffmpeg-core.wasm` URL.
     *
     * @defaultValue `https://unpkg.com/@ffmpeg/core@${CORE_VERSION}/dist/umd/ffmpeg-core.wasm`;
     */
    wasmURL?: string;
    /**
     * `ffmpeg-core.worker.js` URL.
     *
     * @defaultValue `https://unpkg.com/@ffmpeg/core-mt@${CORE_VERSION}/dist/umd/ffmpeg-core.worker.js`;
     */
    workerURL?: string;
}
export interface FFMessageExecData {
    args: string[];
    timeout?: number;
}
export interface FFMessageWriteFileData {
    path: FFFSPath;
    data: FileData;
}
export interface FFMessageReadFileData {
    path: FFFSPath;
    encoding: string;
}
export interface FFMessageDeleteFileData {
    path: FFFSPath;
}
export interface FFMessageRenameData {
    oldPath: FFFSPath;
    newPath: FFFSPath;
}
export interface FFMessageCreateDirData {
    path: FFFSPath;
}
export interface FFMessageListDirData {
    path: FFFSPath;
}
/**
 * @remarks
 * Only deletes empty directory.
 */
export interface FFMessageDeleteDirData {
    path: FFFSPath;
}
export type FFMessageData = FFMessageLoadConfig | FFMessageExecData | FFMessageWriteFileData | FFMessageReadFileData | FFMessageDeleteFileData | FFMessageRenameData | FFMessageCreateDirData | FFMessageListDirData | FFMessageDeleteDirData;
export interface Message {
    type: string;
    data?: FFMessageData;
}
export interface FFMessage extends Message {
    id: number;
}
export interface FFMessageEvent extends MessageEvent {
    data: FFMessage;
}
export interface LogEvent {
    type: string;
    message: string;
}
export interface ProgressEvent {
    progress: number;
    time: number;
}
export type ExitCode = number;
export type ErrorMessage = string;
export type FileData = Uint8Array | string;
export type IsFirst = boolean;
export type OK = boolean;
export interface FSNode {
    name: string;
    isDir: boolean;
}
export type CallbackData = FileData | ExitCode | ErrorMessage | LogEvent | ProgressEvent | IsFirst | OK | Error | FSNode[] | undefined;
export interface Callbacks {
    [id: number | string]: (data: CallbackData) => void;
}
export type LogEventCallback = (event: LogEvent) => void;
export type ProgressEventCallback = (event: ProgressEvent) => void;
export interface FFMessageEventCallback {
    data: {
        id: number;
        type: string;
        data: CallbackData;
    };
}