Value,Name,Message(s),Recommended,Reference
0x0000,RESERVED,N/A,-,[RFC9420]
0x0001,application_id,LN,Y,[RFC9420]
0x0002,ratchet_tree,GI,Y,[RFC9420]
0x0003,required_capabilities,GC,Y,[RFC9420]
0x0004,external_pub,GI,Y,[RFC9420]
0x0005,external_senders,GC,Y,[RFC9420]
0x0A0A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x1A1A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x2A2A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x3A3A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x4A4A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x5A5A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x6A6A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x7A7A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x8A8A,GREASE,"KP, GI, LN",Y,[RFC9420]
0x9A9A,GREASE,"KP, GI, LN",Y,[RFC9420]
0xAAAA,GREASE,"KP, GI, LN",Y,[RFC9420]
0xBABA,GREASE,"KP, GI, LN",Y,[RFC9420]
0xCACA,GREASE,"KP, GI, LN",Y,[RFC9420]
0xDADA,GREASE,"KP, GI, LN",Y,[RFC9420]
0xEAEA,GREASE,"KP, GI, LN",Y,[RFC9420]
0xF000-0xFFFF,Reserved for Private Use,N/A,-,[RFC9420]