public static ConditionGroupNode?GetConditionGroupDeclaration(this ITupleOperationConditionSymbol symbol) => GetDeclarationCore <ConditionGroupConditionSymbol, ConditionGroupNode>(symbol);
public static ConditionNode?GetConditionDeclaration(this ITupleOperationConditionSymbol symbol) => GetDeclarationCore <QueryConditionSymbol, ConditionNode>(symbol);