trace-event.d.ts
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	/// <reference types="node" />
	/**
	* 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(ev);
	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;
	}