src/vs/workbench/contrib/mergeEditor/browser/model/modifiedBaseRange.ts/AbstractModifiedBaseRangeState/getInput
class AbstractModifiedBaseRangeState:	public getInput(inputNumber: 1 | 2): InputState {
		if (!this.isInputIncluded(inputNumber)) {
			return InputState.excluded;
		}
		return InputState.first;
	}