OptionalrawTraceState: stringReturns the value to which the specified key is mapped, or undefined if
this map contains no mapping for the key.
with which the specified value is to be associated.
the value to which the specified key is mapped, or undefined if
this map contains no mapping for the key.
Serializes the TraceState to a list as defined below. The list is a
series of list-members separated by commas ,, and a list-member is a
key/value pair separated by an equals sign =. Spaces and horizontal tabs
surrounding list-members are ignored. There can be a maximum of 32
list-members in a list.
the serialized string.
Create a new TraceState which inherits from this TraceState and has the given key set. The new entry will always be added in the front of the list of states.
key of the TraceState entry.
value of the TraceState entry.
Return a new TraceState which inherits from this TraceState but does not contain the given key.
the key for the TraceState entry to be removed.
TraceState must be a class and not a simple object type because of the spec requirement (https://www.w3.org/TR/trace-context/#tracestate-field).
Here is the list of allowed mutations: