/** * trace-event - A library to create a trace of your node app per * Google's Trace Event format: * // JSSTYLED * https://docs.google.com/document/d/1CvAClvFfyA5R-PhYUmn5OOQtYMH4h6I0nSsKchNAySU */ /// import { Readable as ReadableStream } from "stream"; export interface Event { ts: number; pid: number; tid: number; /** event phase */ ph?: string; [otherData: string]: any; } export interface Fields { cat?: any; args?: any; [filedName: string]: any; } export interface TracerOptions { parent?: Tracer | null; fields?: Fields | null; objectMode?: boolean | null; noStream?: boolean; } export declare class Tracer extends ReadableStream { private _objectMode; /** Node Stream internal APIs */ private _push; private firstPush?; private noStream; private events; private parent; private fields; constructor(opts?: TracerOptions); /** * If in no streamMode in order to flush out the trace * you need to call flush. */ flush(): void; _read(_: number): void; private _pushString; private _flush; child(fields: Fields): Tracer; begin(fields: Fields): void; end(fields: Fields): void; completeEvent(fields: Fields): void; instantEvent(fields: Fields): void; mkEventFunc(ph: string): (fields: Fields) => void; }