type Invocation = number;
interface Profiles {
    [key: string]: Invocation[];
}
export declare class Profiler {
    private enabled;
    private data;
    private counters;
    constructor(enabled?: boolean);
    isEnabled(): boolean;
    setEnabled(enabled: boolean): void;
    getData(): Profiles;
    private renderInvocations;
    private renderCounters;
    report(): string | undefined;
    reset(): void;
    log(key: string, start: number): void;
    inc(key: string): void;
}
export declare function getDefaultProfiler(): Profiler;
/**
 * Class decorator that collects profiling data on every method invocation (if GROW_ENABLE_PROFILING is true).
 */
export declare function Profile(profiler?: Profiler): (target: Function) => void;
/**
 * Function decorator that collects profiling data on every function invocation (if GROW_ENABLE_PROFILING is true).
 */
export declare const profile: <T extends Array<unknown>, U>(fn: (...args: T) => U, profiler?: Profiler) => (...args: T) => U;
/**
 * Async function decorator that collects profiling data on every function invocation (if GROW_ENABLE_PROFILING is
 * true).
 */
export declare const profileAsync: <T extends Array<unknown>, U>(fn: (...args: T) => Promise<U>, profiler?: Profiler) => (...args: T) => Promise<U>;
export {};