import { type BaseTimings } from "../../../profiling/index";
import type { ProfilingRequestMeta, ProfilingResponseMeta, DelegationBreakdown } from "../../../schemas/index";
export interface DelegatedHandlerOptions {
    profilingMeta?: ProfilingRequestMeta;
}
interface BaseDelegationTimings extends BaseTimings {
    requestStringifyMs?: number;
    sendStart?: number;
}
export interface DelegationTimings extends BaseDelegationTimings {
    firstResponseAt?: number;
    responseJsonParseMs?: number;
}
export interface DelegationStreamTimings extends BaseDelegationTimings {
    firstChunkAt?: number;
    lastChunkAt?: number;
    chunkCount: number;
}
export declare function shouldProfileDelegation(op: string, incomingMeta?: ProfilingRequestMeta): boolean;
export declare function createDelegationTimings(profileId: string, requestType: string): DelegationTimings;
export declare function createDelegationStreamTimings(profileId: string, requestType: string): DelegationStreamTimings;
export declare function cacheDelegationConnectionTime(peerKey: string, durationMs: number): void;
export declare function flushServerConnectionEvent(peerKey: string): void;
export declare function consumeBreakdownConnectionTime(peerKey: string): number | undefined;
export declare function buildDelegationBreakdown(timings: DelegationTimings, connectionMs?: number): DelegationBreakdown;
export declare function buildDelegationStreamBreakdown(timings: DelegationStreamTimings): DelegationBreakdown;
export declare function recordDelegationEvents(timings: DelegationTimings, serverMeta?: ProfilingResponseMeta, connectionMs?: number): DelegationBreakdown;
export declare function recordDelegationStreamEvents(timings: DelegationStreamTimings, serverMeta?: ProfilingResponseMeta): void;
export declare function clearPeerConnectionTracking(peerKey: string): void;
export declare function resetDelegationConnectionTracking(): void;
export {};
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