export type AgentSpanAttributeValue = string | number | boolean | string[];
export interface AgentSpan {
    setAttribute(key: string, value: AgentSpanAttributeValue): void;
    setAttributes(attributes: Record<string, AgentSpanAttributeValue>): void;
    setStatus(status: {
        code: number;
        message?: string;
    }): void;
    recordException(exception: {
        name?: string;
        message: string;
    }): void;
    end(endTime?: unknown): void;
}
export declare const SPAN_STATUS_OK = 1;
export declare const SPAN_STATUS_ERROR = 2;
interface AgentTracer {
    startSpan(name: string, options?: {
        attributes?: Record<string, AgentSpanAttributeValue>;
        startTime?: unknown;
    }, context?: unknown): AgentSpan;
}
interface AgentTraceRuntime {
    tracer: AgentTracer;
    context?: {
        active(): unknown;
        with<T>(context: unknown, callback: () => T): T;
    };
    trace?: {
        setSpan(context: unknown, span: AgentSpan): unknown;
    };
}
export type TrackingEventOrigin = "client" | "server";
export interface TrackingEventScope {
    pending: Set<Promise<void>>;
}
export declare function createTrackingEventScope(): TrackingEventScope;
export declare function registerTrackingWork(pending: Promise<void>, scope?: TrackingEventScope): void;
export declare function recordTrackingEvent(name: string, properties?: Record<string, unknown>, origin?: TrackingEventOrigin): Promise<void>;
export declare function queueTrackingEvent(name: string, properties?: Record<string, unknown>, origin?: TrackingEventOrigin, scope?: TrackingEventScope): void;
export declare function flushTrackingEvents(scope?: TrackingEventScope): Promise<void>;
export declare function startAgentSpan(name: string, attributes?: Record<string, AgentSpanAttributeValue | null | undefined>, parentSpan?: AgentSpan | null, startTime?: unknown): Promise<AgentSpan | null>;
export declare function withAgentSpanContext<T>(span: AgentSpan | null, callback: () => T): T;
export declare function endAgentSpan(span: AgentSpan | null, result?: {
    status?: "success" | "error" | "unset";
    errorMessage?: string | null;
    attributes?: Record<string, AgentSpanAttributeValue | null | undefined>;
    endTime?: number;
}): void;
export declare function __resetAgentTracerCache(): void;
export declare function __setAgentTracerForTests(tracer: AgentTracer | null): void;
export declare function __setAgentTraceRuntimeForTests(runtime: AgentTraceRuntime | null): void;
export {};