import type { TerminalRenderPlane, TerminalRenderPlanes } from "../core/render-plane.js";
type NowFn = () => number;
type TuiProfilerFileWriter = Readonly<{
    appendFileSync?: (path: string, data: string) => void;
}>;
export type CreateTuiProfilerOptions = Readonly<{
    fileWriter?: TuiProfilerFileWriter;
    defaultLogDest?: "stdout" | "file" | "both";
    defaultLogPath?: string;
}>;
export declare function setTuiProfilerFileWriter(writer: TuiProfilerFileWriter | null): void;
export type TuiProfiler = Readonly<{
    now: NowFn;
    recordInvalidate: (info?: {
        plane?: TerminalRenderPlane | null;
    }) => void;
    recordRender: (info: {
        durationMs: number;
        rows: number;
        nodes: number;
        fullRepaint: boolean;
        sorted: boolean;
        activePlanes?: TerminalRenderPlanes | null;
    }) => void;
    recordWrite: (info: {
        durationMs: number;
        bytes: number;
        mode: "stream" | "sync" | "chunked";
    }) => void;
    dispose: () => void;
}>;
export declare function createTuiProfiler(name: string, options?: CreateTuiProfilerOptions): TuiProfiler | null;
export {};