src/vs/editor/contrib/inlineCompletions/browser/ghostText.ts/GhostTextPart/equals
class GhostTextPart:	equals(other: GhostTextPart): boolean {
		return this.column === other.column &&
			this.lines.length === other.lines.length &&
			this.lines.every((line, index) => line === other.lines[index]);
	}