src/vs/workbench/contrib/mergeEditor/browser/mergeEditorInput.ts/MergeEditorInput/matches
class MergeEditorInput:	override matches(otherInput: EditorInput | IUntypedEditorInput): boolean {
		if (!(otherInput instanceof MergeEditorInput)) {
			return false;
		}
		return isEqual(this.base, otherInput.base)
			&& isEqual(this.input1.uri, otherInput.input1.uri)
			&& isEqual(this.input2.uri, otherInput.input2.uri)
			&& isEqual(this.result, otherInput.result);
	}