C# (CSharp) System.Text.Json.Serialization.Metadata JsonPolymorphismOptions.CreateFromAttributeDeclarations - 2 examples found. These are the top rated real world C# (CSharp) examples of System.Text.Json.Serialization.Metadata.JsonPolymorphismOptions.CreateFromAttributeDeclarations extracted from open source projects. You can rate examples to help us improve the quality of examples.