docs: private void registerQuery(
  		SqlValidatorScope parentScope,
  		SqlValidatorScope usingScope,
  		SqlNode node,
  		SqlNode enclosingNode,
  		String alias,
  		boolean forceNullable) {
  		Preconditions.checkArgument(usingScope == null || alias != null);
  		registerQuery(
  			parentScope,
  			usingScope,
  			node,
  			enclosingNode,
  			alias,
  			forceNullable,
  			true);
  	}