import { AudioFrame, type Participant } from '@livekit/rtc-node';
import type { Span } from '@opentelemetry/api';
export declare function createSilenceFrame(duration: number, sampleRate: number, numChannels?: number): AudioFrame;
export declare function createSilenceFrameLike(frame: AudioFrame): AudioFrame;
export declare function setParticipantSpanAttributes(span: Span, participant: Pick<Participant, 'sid' | 'identity' | 'kind'>): void;
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