export type RspackTraceLayer = 'logger' | 'perfetto';
export interface RspackProfileOptions {
    filter: string;
    layer?: RspackTraceLayer;
    output?: string;
}
export interface RspackProfileCliArgs {
    rspackProfile?: string;
    rspackTraceLayer?: RspackTraceLayer;
    rspackTraceOutput?: string;
}
export interface RspackProfileSession {
    filter: string;
    layer: RspackTraceLayer;
    output: string;
    cleanup: () => Promise<void>;
}
export interface GlobalTraceApi {
    register: (filter: string, layer: RspackTraceLayer, output: string) => Promise<void>;
    cleanup: () => Promise<void>;
}
export interface StartRspackProfileOptions extends RspackProfileOptions {
    cwd?: string;
    pid?: number;
    timestamp?: number;
    traceApi?: GlobalTraceApi;
}
export declare function getRspackProfileOptions(args: RspackProfileCliArgs, env?: Readonly<Record<string, string | undefined>>): RspackProfileOptions | undefined;
export declare function startRspackProfile(options: StartRspackProfileOptions): Promise<RspackProfileSession>;
export declare function cleanupRspackProfile(): Promise<void>;