How to use the tapable.call function in tapable

function Parser(options) {
	Tapable.call(this);
	this.options = options;
	this.initializeEvaluating();
}
module.exports = Parser;

function Template(outputOptions) {
	Tapable.call(this);
	this.outputOptions = outputOptions || {};
}
module.exports = Template;

function Compiler() {
	Tapable.call(this);

	this.outputPath = "";
	this.outputFileSystem = null;
	this.inputFileSystem = null;

	this.recordsInputPath = null;
	this.recordsOutputPath = null;
	this.records = {};

	this.fileTimestamps = {};
	this.contextTimestamps = {};

	this.resolvers = {
		normal: null,
		loader: null,
		context: null

function DllModuleFactory() {
	Tapable.call(this);
}
module.exports = DllModuleFactory;

function Compilation(compiler) {
	Tapable.call(this);
	this.compiler = compiler;
	this.resolvers = compiler.resolvers;
	this.inputFileSystem = compiler.inputFileSystem;

	var options = this.options = compiler.options;
	this.outputOptions = options && options.output;
	this.bail = options && options.bail;
	this.profile = options && options.profile;

	this.mainTemplate = new MainTemplate(this.outputOptions);
	this.chunkTemplate = new ChunkTemplate(this.outputOptions, this.mainTemplate);
	this.hotUpdateChunkTemplate = new HotUpdateChunkTemplate(this.outputOptions);
	this.moduleTemplate = new ModuleTemplate(this.outputOptions);

	this.entries = [];
	this.preparedChunks = [];

function MultiCompiler(compilers) {
	Tapable.call(this);
	if(!Array.isArray(compilers)) {
		compilers = Object.keys(compilers).map(function(name) {
			compilers[name].name = name;
			return compilers[name];
		});
	}
	this.compilers = compilers;

	function delegateProperty(name) {
		Object.defineProperty(this, name, {
			configurable: false,
			get: function() {
				throw new Error("Cannot read " + name + " of a MultiCompiler");
			},
			set: function(value) {
				this.compilers.forEach(function(compiler) {

function MultiModuleFactory() {
	Tapable.call(this);
}
module.exports = MultiModuleFactory;

function Parser(options) {
	Tapable.call(this);
	this.options = options;
	this.initializeEvaluating();
}
module.exports = Parser;

function Compiler() {
	Tapable.call(this);

	this.outputPath = "";
	this.outputFileSystem = null;
	this.inputFileSystem = null;

	this.recordsInputPath = null;
	this.recordsOutputPath = null;
	this.records = {};

	this.fileTimestamps = {};
	this.contextTimestamps = {};

	this.resolvers = {
		normal: new Resolver(null),
		loader: new Resolver(null),
		context: new Resolver(null)

function Compiler() {
	Tapable.call(this);

	this.outputPath = "";
	this.outputFileSystem = null;
	this.inputFileSystem = null;

	this.recordsInputPath = null;
	this.recordsOutputPath = null;
	this.records = {};

	this.fileTimestamps = {};
	this.contextTimestamps = {};

	this.resolvers = {
		normal: null,
		loader: null,
		context: null