import type { BehaviorSignal, BehaviorSignalEnvelope, ErrorSignal, ErrorSignalEnvelope, TelemetrySignal, TelemetrySignalEnvelope } from './types';
type Clock = () => Date;
export declare function telemetryToEnvelope(contextId: string, signal: TelemetrySignal, clock: Clock): TelemetrySignalEnvelope;
export declare function errorToEnvelope(contextId: string, signal: ErrorSignal, clock: Clock): ErrorSignalEnvelope;
export declare function behaviorToEnvelope(contextId: string, signal: BehaviorSignal, clock: Clock): BehaviorSignalEnvelope;
export {};
