src/vs/workbench/contrib/mergeEditor/browser/view/viewModel.ts/MergeEditorViewModel/toggleActiveConflict
class MergeEditorViewModel:	public toggleActiveConflict(inputNumber: 1 | 2): void {
		const activeModifiedBaseRange = this.activeModifiedBaseRange.get();
		if (!activeModifiedBaseRange) {
			return;
		}
		transaction(tx => {
			this.setState(
				activeModifiedBaseRange,
				this.model.getState(activeModifiedBaseRange).get().toggle(inputNumber),
				tx
			);
		});
	}