<PackageReference Include="System.Configuration.ConfigurationManager" Version="5.0.0-rc.1.20451.14" />

ConfigurationPropertyOptions

Specifies the options to apply to a property.

Indicates whether the assembly name for the configuration property requires transformation when it is serialized for an earlier version of the .NET Framework.

Indicates that the property is a default collection.

IsKey = 4

Indicates that the property is a collection key.

Indicates that the property is required.

Indicates whether the type name for the configuration property requires transformation when it is serialized for an earlier version of the .NET Framework.

Indicates whether the configuration property's parent configuration section should be queried at serialization time to determine whether the configuration property should be serialized into XML.

None = 0

Indicates that no option applies to the property.