Method constructor

benchmark/data.js:14–27

(start, end, content)

}
class Chunk {
	constructor(start, end, content) {
		this.start = start;
		this.end = end;
		this.original = content;
		this.intro = '';
		this.outro = '';
		this.content = content;
		this.storeName = false;
		this.edited = false;
		Object.defineProperties(this, {
			previous: { writable: true, value: null },
			next: { writable: true, value: null },
		});
	}
	appendLeft(content) {
		this.outro += content;
	}