import { PacketTrailerFeature } from '@livekit/protocol';
import type { PacketTrailerOptions } from './PacketTrailerManager';
import type { PacketTrailerPublishOptions } from './types';
export declare function shouldUsePacketTrailerScriptTransform(): boolean;
export declare function isPacketTrailerSupported(options?: PacketTrailerOptions): boolean;
export declare function hasPacketTrailerPublishOptions(options?: PacketTrailerPublishOptions): boolean;
export declare function getPacketTrailerFeatures(options?: PacketTrailerPublishOptions): PacketTrailerFeature[];
export declare function getPacketTrailerPublishOptions(features?: PacketTrailerFeature[]): PacketTrailerPublishOptions | undefined;
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