import type { HybridObject } from 'react-native-nitro-modules';
/**
 * Describes why a {@linkcode Recorder}'s recording finished, and was delivered
 * to the `onRecordingFinished` callback passed to
 * {@linkcode Recorder.startRecording | Recorder.startRecording(...)}.
 *
 * In all cases, the resulting video file is fully written and usable - this type
 * only communicates _why_ the recording ended, so the caller can react
 * accordingly (e.g. show a "max length reached" toast, or chain a follow-up
 * recording).
 *
 * - `'stopped'`: The recording was stopped via a
 *   {@linkcode Recorder.stopRecording | Recorder.stopRecording()} call.
 * - `'max-duration-reached'`: The recording automatically stopped because it
 *   reached the configured {@linkcode RecorderSettings.maxDuration} limit.
 * - `'max-file-size-reached'`: The recording automatically stopped because it
 *   reached the configured {@linkcode RecorderSettings.maxFileSize} limit.
 */
export type RecordingFinishedReason = 'stopped' | 'max-duration-reached' | 'max-file-size-reached';
/**
 * Represents an instance that can record videos to
 * a file.
 *
 * A single {@linkcode Recorder} instance records to a single
 * video file.
 * To record multiple videos, you will need to create
 * multiple {@linkcode Recorder} instances.
 */
export interface Recorder extends HybridObject<{
    ios: 'swift';
    android: 'kotlin';
}> {
    /**
     * Returns whether the output is currently recording.
     */
    readonly isRecording: boolean;
    /**
     * Returns whether the current recording is paused.
     */
    readonly isPaused: boolean;
    /**
     * Returns the currently recorded duration, in seconds.
     * If {@linkcode isRecording} is false, this returns `0`.
     */
    readonly recordedDuration: number;
    /**
     * Returns the currently recorded file size, in bytes.
     * If {@linkcode isRecording} is false, this returns `0`.
     */
    readonly recordedFileSize: number;
    /**
     * Returns the absolute path to the file that this {@linkcode Recorder}
     * is recording- or will record- to.
     *
     * This is a filesystem path (for example `/var/mobile/.../video.mp4`
     * or `/data/user/0/.../video.mp4`), not a `file://` URL.
     */
    readonly filePath: string;
    /**
     * Start the Video recording to a temporary file.
     *
     * This Promise resolves once the Recording has been successfully started,
     * and returns the temporary file path it is currently recording to.
     *
     * The path passed to `onRecordingFinished` is a filesystem path, not a
     * `file://` URL.
     * @param onRecordingFinished Called when the Recording has successfully finished
     * via a {@linkcode stopRecording | stopRecording()} call, or when the max
     * duration/file-size has been reached. See {@linkcode RecordingFinishedReason}
     * @param onRecordingError Called when an unexpected error occurred while recording.
     * @param onRecordingPaused Called when the recording has been paused.
     * @param onRecordingResumed Called when the paused recording has been resumed.
     * @throws If called twice on the same {@linkcode Recorder} instance.
     */
    startRecording(onRecordingFinished: (filePath: string, reason: RecordingFinishedReason) => void, onRecordingError: (error: Error) => void, onRecordingPaused?: () => void, onRecordingResumed?: () => void): Promise<void>;
    /**
     * Requests the Video recording to be stopped.
     * Once the recording has actually been stopped,
     * the `onRecordingFinished` callback passed to
     * {@linkcode startRecording} will be called.
     *
     * @throws If the recording is already stopped.
     */
    stopRecording(): Promise<void>;
    /**
     * Requests the Video recording to be paused.
     * Once the recording has actually been paused,
     * the `onRecordingPaused` callback passed to
     * {@linkcode startRecording} will be called.
     */
    pauseRecording(): Promise<void>;
    /**
     * Requests the currently paused Video recording
     * to be resumed.
     * Once the recording has actually been resumed,
     * the `onRecordingResumed` callback passed to
     * {@linkcode startRecording} will be called.
     */
    resumeRecording(): Promise<void>;
    /**
     * Cancels the current recording and deletes
     * the video file.
     */
    cancelRecording(): Promise<void>;
}