src/vs/workbench/services/untitled/common/untitledTextEditorInput.ts/UntitledTextEditorInput/matches
class UntitledTextEditorInput:	override matches(otherInput: IEditorInput | IUntypedEditorInput): boolean {
		if (super.matches(otherInput)) {
			return true;
		}

		if (otherInput instanceof UntitledTextEditorInput) {
			return isEqual(otherInput.resource, this.resource);
		}

		return false;
	}