import type { Resource, Struct } from '../../types';
import type { AudioInfo } from '../../gen/common/v1/common_pb';
import type { AudioProperties } from '../../audio-common';
export interface AudioChunk {
    audioData: Uint8Array;
    audioInfo?: AudioInfo;
    startTimeNs: bigint;
    endTimeNs: bigint;
    sequence: number;
    requestID: string;
}
/** Represents a device that takes audio input. */
export interface AudioIn extends Resource {
    /**
     * Stream audio from the device.
     *
     * @example
     *
     * ```ts
     * const audioIn = new VIAM.AudioInClient(machine, 'my_audio_in');
     * const stream = audioIn.getAudio(VIAM.AudioCodec.PCM16, 3, 0n, {});
     * ```
     */
    getAudio(codec: string, durationSeconds: number, previousTimestamp?: bigint, extra?: Struct): AsyncIterable<AudioChunk>;
    /**
     * Return the audio input properties.
     *
     * @example
     *
     * ```ts
     * const audioIn = new VIAM.AudioInClient(machine, 'my_audio_in');
     * const properties = await audioIn.getProperties();
     * ```
     */
    getProperties: (extra?: Struct) => Promise<AudioProperties>;
}