Here is a list of all enum values with links to the classes they belong to:

• body : FIX::Message
• bufcapacity : xml_buffered_writer
• bufcapacitybytes : xml_buffered_writer
• DEFAULT_SIZE : FIX::FieldMap
• group : FIX::message_order
• header : FIX::Message, FIX::message_order
• normal : FIX::message_order
• REQUIRED_FIELDS : FIX::Header, FIX::Trailer
• trailer : FIX::Message, FIX::message_order
• value : opt_false, opt_true