Name,Description,Reference
sf,Strict Structured Field serialization,"[RFC 9421, Section 2.1.1]"
key,Single key value of Dictionary Structured Fields,"[RFC 9421, Section 2.1.2]"
bs,Byte Sequence wrapping indicator,"[RFC 9421, Section 2.1.3]"
tr,Trailer,"[RFC 9421, Section 2.1.4]"
req,Related request indicator,"[RFC 9421, Section 2.4]"
name,Single named query parameter,"[RFC 9421, Section 2.2.8]"