How to use the webpack-sources.PrefixSource function in webpack-sources

this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
			const source = new ConcatSource();
			source.add("/******/ (function(modules) { // webpackBootstrap\n");
			source.add(new PrefixSource("/******/", bootstrapSource));
			source.add("/******/ })\n");
			source.add("/************************************************************************/\n");
			source.add("/******/ (");
			const modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
			source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
			source.add(")");
			return source;
		});
		this.plugin("local-vars", (source, chunk, hash) => {

this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
			const source = new ConcatSource();
			source.add("/******/ (function(modules) { // webpackBootstrap\n");
			source.add(new PrefixSource("/******/", bootstrapSource));
			source.add("/******/ })\n");
			source.add("/************************************************************************/\n");
			source.add("/******/ (");
			const modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
			source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
			source.add(")");
			return source;
		});
		this.plugin("local-vars", (source, chunk, hash) => {

this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
			const source = new ConcatSource();
			source.add("/******/ (function(modules) { // webpackBootstrap\n");
			source.add(new PrefixSource("/******/", bootstrapSource));
			source.add("/******/ })\n");
			source.add("/************************************************************************/\n");
			source.add("/******/ (");
			const modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
			source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
			source.add(")");
			return source;
		});
		this.plugin("local-vars", (source, chunk, hash) => {

(bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
				const source = new ConcatSource();
				source.add("/******/ (function(modules) { // webpackBootstrap\n");
				source.add(new PrefixSource("/******/", bootstrapSource));
				source.add("/******/ })\n");
				source.add(
					"/************************************************************************/\n"
				);
				source.add("/******/ (");
				source.add(
					this.hooks.modules.call(
						new RawSource(""),
						chunk,
						hash,
						moduleTemplate,
						dependencyTemplates
					)
				);
				source.add(")");
				return source;

(bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
				const source = new ConcatSource();
				source.add("/******/ (function(modules) { // webpackBootstrap\n");
				source.add(new PrefixSource("/******/", bootstrapSource));
				source.add("/******/ })\n");
				source.add(
					"/************************************************************************/\n"
				);
				source.add("/******/ (");
				source.add(
					this.hooks.modules.call(
						new RawSource(""),
						chunk,
						hash,
						moduleTemplate,
						dependencyTemplates
					)
				);
				source.add(")");
				return source;

this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
			let source = new ConcatSource();
			source.add("/******/ (function(modules) { // webpackBootstrap\n");
			source.add(new PrefixSource("/******/", bootstrapSource));
			source.add("/******/ })\n");
			source.add("/************************************************************************/\n");
			source.add("/******/ (");
			let modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
			source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
			source.add(")");
			return source;
		});
		this.plugin("local-vars", (source, chunk, hash) => {

(bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
				const source = new ConcatSource();
				source.add("/******/ (function(modules) { // webpackBootstrap\n");
				source.add(new PrefixSource("/******/", bootstrapSource));
				source.add("/******/ })\n");
				source.add(
					"/************************************************************************/\n"
				);
				source.add("/******/ (");
				source.add(
					this.hooks.modules.call(
						new RawSource(""),
						chunk,
						hash,
						moduleTemplate,
						dependencyTemplates
					)
				);
				source.add(")");
				return source;

this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
			const source = new ConcatSource();
			source.add("/******/ (function(modules) { // webpackBootstrap\n");
			source.add(new PrefixSource("/******/", bootstrapSource));
			source.add("/******/ })\n");
			source.add("/************************************************************************/\n");
			source.add("/******/ (");
			const modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
			source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
			source.add(")");
			return source;
		});
		this.plugin("local-vars", (source, chunk, hash) => {

(bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
				const source = new ConcatSource();
				source.add("/******/ (function(modules) { // webpackBootstrap\n");
				source.add(new PrefixSource("/******/", bootstrapSource));
				source.add("/******/ })\n");
				source.add(
					"/************************************************************************/\n"
				);
				source.add("/******/ (");
				source.add(
					this.hooks.modules.call(
						new RawSource(""),
						chunk,
						hash,
						moduleTemplate,
						dependencyTemplates
					)
				);
				source.add(")");
				return source;

} from 'webpack-sources';
import { RawSourceMap } from 'source-map'

const s1 = new OriginalSource('a', 'b');

const s2 = new CachedSource(s1);

const s3 = new ConcatSource('a', 'b', s1);

const s4 = new RawSource('hey');

const a = {} as RawSourceMap
const b = {} as RawSourceMap

const s5 = new LineToLineMappedSource('a', 'v', 'c');
const s6 = new PrefixSource(s4, s5);
const s7 = new ReplaceSource(s3, 'ha');
const s8 = new SourceMapSource('va', 'vb', a, 'vc', b);