| FindMember<TSymbol>(INamedTypeSymbol, Func<TSymbol, Boolean>, Boolean) | Searches for a member that matches the conditions defined by the specified predicate and returns the first occurrence within the type's members. |
| FindMember<TSymbol>(INamedTypeSymbol, String, Func<TSymbol, Boolean>, Boolean) | Searches for a member that has the specified name and matches the conditions defined by the specified predicate, if any, and returns the first occurrence within the type's members. |
| FindTypeMember(INamedTypeSymbol, Func<INamedTypeSymbol, Boolean>, Boolean) | Searches for a type member that matches the conditions defined by the specified predicate and returns the first occurrence within the type's members. |
| FindTypeMember(INamedTypeSymbol, String, Func<INamedTypeSymbol, Boolean>, Boolean) | Searches for a type member that has the specified name and matches the conditions defined by the specified predicate, if any, and returns the first occurrence within the type's members. |
| FindTypeMember(INamedTypeSymbol, String, Int32, Func<INamedTypeSymbol, Boolean>, Boolean) | Searches for a type member that has the specified name, arity and matches the conditions defined by the specified predicate, if any, and returns the first occurrence within the type's members. |
| IsNullableOf(INamedTypeSymbol, ITypeSymbol) | Returns true if the type is Nullable<T> and it has specified type argument. |
| IsNullableOf(INamedTypeSymbol, SpecialType) | Returns true if the type is Nullable<T> and it has specified type argument. |