import type { TransportConnectionState } from '../../interface';
/**@internal */
export declare const setEncodingParams: (sender: RTCRtpSender, newEncodings: RTCRtpEncodingParameters[]) => Promise<void>;
/**@internal */
export declare const isSafari: () => boolean;
/**@internal */
export declare function convertConnectionState(state: RTCPeerConnectionState | 'reconnecting'): TransportConnectionState;
/**@internal */
export declare const statsToJson: (report: RTCStatsReport) => any[];
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