Parse attempts to decode a `TraceState` from a byte array.

ParseString attempts to decode a `TraceState` from a string.

ErrDuplicateListMemberKey occurs if at least two list members contain the same vendor-tenant pair.

ErrInvalidListMember occurs if at least one list member is invalid, e.g., contains an unexpected character.

ErrTooManyListMembers occurs if the list contains more than the maximum number of members per the spec, i.e., 32.

Member contains vendor-specific data that should be propagated across all new spans started within a given trace.

TraceState represents a list of `Member`s that should be propagated to new spans started in a trace.