src/vs/workbench/common/editor/diffEditorInput.ts/DiffEditorInput/getTitle
class DiffEditorInput:	override getTitle(verbosity?: Verbosity): string {
		switch (verbosity) {
			case Verbosity.SHORT:
				return this.labels.shortTitle;
			case Verbosity.LONG:
				return this.labels.longTitle;
			default:
			case Verbosity.MEDIUM:
				return this.labels.mediumTitle;
		}
	}