import type { ProfilingExporter, ProfilingExtension, ProfilingOptions, StartProfilingOptions } from './types';
export type { StartProfilingOptions, ProfilingOptions };
export declare function defaultExporterFactory(options: ProfilingOptions): ProfilingExporter[];
export declare function isProfilingContextManagerSet(): boolean;
export declare function ensureProfilingContextManager(): void;
export declare function startProfiling(options: ProfilingOptions): {
    started: boolean;
    stop: () => Promise<void>;
};
export declare function loadExtension(): ProfilingExtension | undefined;
export declare function noopExtension(): ProfilingExtension;
export declare function _setDefaultOptions(options?: StartProfilingOptions): ProfilingOptions;
export declare const allowedProfilingOptions: string[];
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