import { PacketTrailerFeature } from '@livekit/protocol';
import type { FrameMetadataOptions } from './FrameMetadataManager';
import type { FrameMetadataPublishOptions } from './types';
export declare function shouldUseFrameMetadataScriptTransform(): boolean;
export declare function isFrameMetadataSupported(options?: FrameMetadataOptions): boolean;
export declare function hasFrameMetadataPublishOptions(options?: FrameMetadataPublishOptions): boolean;
export declare function getFrameMetadataFeatures(options?: FrameMetadataPublishOptions): PacketTrailerFeature[];
export declare function getFrameMetadataPublishOptions(features?: PacketTrailerFeature[]): FrameMetadataPublishOptions | undefined;
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