foo1.cs

                var tupleTypeComponent = tupleType.ComponentOrNull(componentIndex);
                if (tupleTypeComponent != null)
                {
                  var actualTypeName = tupleTypeComponent.Value.ExplicitName ?? TupleTypeComponent.GetDefaultComponentName(componentIndex);
                  consumer.AddHighlighting(new DeconstructionSubpatternWrongTupleComponentNameError(subpattern, actualTypeName));
                }

foo2.cs

                if (tupleType.ComponentOrNull(componentIndex) is { ExplicitName: var explicitName })
                {
                  var actualTypeName = explicitName ?? TupleTypeComponent.GetDefaultComponentName(componentIndex);
                  consumer.AddHighlighting(new DeconstructionSubpatternWrongTupleComponentNameError(subpattern, actualTypeName));
                }