export type Stopwatch = (reset?: boolean) => number;
/**
 * Tracks elapsed time in milliseconds.
 */
export declare const create_stopwatch: (decimals?: number) => Stopwatch;
export type TimingsKey = string | number;
/**
 * Tracks and manages multiple timing operations.
 * Allows starting, stopping, and retrieving timings with optional precision.
 */
export declare class Timings {
    #private;
    readonly decimals: number | undefined;
    constructor(decimals?: number);
    /**
     * Starts a timing operation for the given key.
     */
    start(key: TimingsKey, decimals?: number | undefined): () => number;
    get(key: TimingsKey): number;
    entries(): IterableIterator<[TimingsKey, number | undefined]>;
    /**
     * Merges other timings into this one,
     * adding together values with identical keys.
     */
    merge(timings: Timings): void;
}
//# sourceMappingURL=timings.d.ts.map