MembersMustExist : Member 'System.Runtime.InteropServices.Marshal.PtrToStringUTF8(System.IntPtr)' does not exist in the implementation but it does exist in the contract.
MembersMustExist : Member 'System.Runtime.InteropServices.Marshal.PtrToStringUTF8(System.IntPtr, System.Int32)' does not exist in the implementation but it does exist in the contract.
MembersMustExist : Member 'System.Runtime.InteropServices.Marshal.StringToCoTaskMemUTF8(System.String)' does not exist in the implementation but it does exist in the contract.
MembersMustExist : Member 'System.Runtime.InteropServices.Marshal.ZeroFreeCoTaskMemUTF8(System.IntPtr)' does not exist in the implementation but it does exist in the contract.
MembersMustExist : Member 'System.Runtime.InteropServices.UnmanagedType System.Runtime.InteropServices.UnmanagedType.LPUTF8Str' does not exist in the implementation but it does exist in the contract.