import { BucketType, GenericSample, PostprocessSampleFunction, PreprocessSampleFunction, StatEntityType } from "../../../domain/stats";
export declare type RTCStatsWithDynamicRecords = RTCStats & Record<string, GenericSample>;
export declare type StatCollectionDefinition = {
    entityType: StatEntityType;
    name: string;
    bucketType: BucketType;
    statKey: string;
    preprocessor?: PreprocessSampleFunction;
    postprocessor?: PostprocessSampleFunction;
};
export declare function makeStatCollectionDefinition(entityType: StatEntityType, name: string, bucketType: BucketType, statKey: string, preprocessor?: PreprocessSampleFunction, postprocessor?: PostprocessSampleFunction): StatCollectionDefinition;
export declare function preprocessPerSecond(currentSample: GenericSample, currentTimestamp: number, previousSample?: GenericSample, previousTimestamp?: number): number;
export declare function preprocessBPS(currentSample: GenericSample, currentTimestamp: number, previousSample?: GenericSample, previousTimestamp?: number): number;
export declare function truncSample(processedSample: GenericSample): number;
export declare function roundSample(processedSample: GenericSample): number;
export declare function roundSample2Dp(processedSample: GenericSample): number;
export declare function preprocessSecondsToMs(currentSample: GenericSample, currentTimestamp: number, previousSample?: GenericSample, previousTimestamp?: number): number;
export declare function findActiveCandidatePair(report: RTCStatsReport): RTCStatsWithDynamicRecords | null;
export declare function preprocessPacketsLost(currentSample: GenericSample, currentTimestamp: number, previousSample?: GenericSample, previousTimestamp?: number, currentAuxRawSample?: GenericSample, previousAuxRawSample?: GenericSample): number;