public void Serialize(BsonWriter bsonWriter, Type nominalType, object value, IBsonSerializationOptions options)
{
var method = (MethodInfo)value;
bsonWriter.WriteStartDocument();
bsonWriter.WriteName("Type");
bsonWriter.WriteString(method.DeclaringType.AssemblyQualifiedName);
bsonWriter.WriteName("Method");
bsonWriter.WriteString(GetMethodSignature(method));
bsonWriter.WriteEndDocument();
}