import { AvailableStreams, Stream } from '../types';
/**
 * Determines actual available streams from camera mediaStreams data.
 *
 * This utility provides a unified way to detect stream availability,
 * preventing attempts to connect to non-existent streams on single-stream cameras.
 *
 * @param mediaStreams - Array of Stream objects from camera parameters.
 * @returns Array of available stream indices, or `undefined` when detection
 *          should be delegated to the API (no data available).
 */
export declare function getActualAvailableStreams(mediaStreams: Stream[] | undefined): AvailableStreams[] | undefined;
/**
 * Determines available streams with a guaranteed non-undefined result.
 *
 * Falls back to an empty array when no stream data is available, rather than
 * returning `undefined`. Use this variant when a caller always needs a
 * concrete array to iterate over.
 *
 * @param mediaStreams - Array of Stream objects from camera parameters.
 * @returns Array of available stream indices (empty array if no data).
 */
export declare function getActualAvailableStreamsWithFallback(mediaStreams: Stream[] | undefined): AvailableStreams[];
/**
 * Filter mediaStreams to only include streams whose codec won't trigger transcoding.
 * Each stream is checked individually — a device can have H264 on primary and MJPEG
 * on secondary (or vice versa).
 *
 * @param mediaStreams - Array of Stream objects from camera parameters.
 * @returns Array of stream indices that can be delivered without transcoding,
 *          or `undefined` when no mediaStreams data is available.
 */
export declare function getNonTranscodingStreams(mediaStreams: Stream[] | undefined): AvailableStreams[] | undefined;
//# sourceMappingURL=streams.d.ts.map