src/vs/editor/common/diff/smartLinesDiffComputer.ts/LineChange/constructor
class LineChange:	constructor(
		originalStartLineNumber: number,
		originalEndLineNumber: number,
		modifiedStartLineNumber: number,
		modifiedEndLineNumber: number,
		charChanges: CharChange[] | undefined
	) {
		this.originalStartLineNumber = originalStartLineNumber;
		this.originalEndLineNumber = originalEndLineNumber;
		this.modifiedStartLineNumber = modifiedStartLineNumber;
		this.modifiedEndLineNumber = modifiedEndLineNumber;
		this.charChanges = charChanges;
	}