import type { Devtools } from "./types.js";
/** @internal */
export declare function nowMs(): number;
/** Frame subsystem exposing the frame-timing, profiling, and render-sample facades. */
export interface FrameModule {
    frame: Devtools["frame"];
    profile: Devtools["profile"];
    render: Devtools["render"];
}
/** Create the frame subsystem that records frame/sim/phase timings, computes stats, and captures long-frame events. */
export declare const createFrameModule: (deps: {
    readProbes: () => Record<string, unknown>;
}) => FrameModule;