chunkHash(chunk, hash, chunkHashContext, libraryContext) {
		const options = this._parseOptionsCached(
			libraryContext.compilation.outputOptions.library
		);
		hash.update(this._pluginName);
		hash.update(JSON.stringify(options));
	}
@param {Chunk} chunk the chunk
@param {Hash} hash hash
@param {ChunkHashContext} chunkHashContext chunk hash context
@param {LibraryContext<T>} libraryContext context
@returns {void}