import type { CorrelationContext, EnabledProfilerLevel, ProfilerValue } from "../schema";
import type { ProfilerFragment, ProfilerRuntimeLike, RuntimeSnapshot, SpanHandle, SpanOptions } from "./types";
declare class NoopProfilerRuntime implements ProfilerRuntimeLike {
    readonly level = 0;
    isEnabled(_minLevel?: EnabledProfilerLevel): boolean;
    startSpan(_kind: string, _options?: SpanOptions): SpanHandle;
    withSpan<T>(_kind: string, _options: SpanOptions, action: () => T): T;
    withContext<T>(_context: Partial<CorrelationContext>, action: () => T): T;
    increment(_metric: string, _value?: number, _dimensions?: Record<string, ProfilerValue>): void;
    sample(_metric: string, _value: number, _dimensions?: Record<string, ProfilerValue>): void;
    recordError(_stage: string, _error: unknown): void;
    recordMeasurement(_kind: string, _durationMs: number, _options?: SpanOptions, _status?: "completed" | "failed" | "interrupted"): void;
    snapshot(): RuntimeSnapshot | null;
    closeOpenSpans(): void;
    stop(): void;
    takeFragment(): ProfilerFragment | null;
    ingestFragment(_fragment: unknown): void;
}
export declare const noopProfilerRuntime: Readonly<NoopProfilerRuntime>;
export {};