Resolve multiple flags into variants and values. This method resolves all flags that are enabled for the given client, or a subset of them specified in the request. A flag is resolved by evaluating its rules in order, a rule matches if:
The body is of type object.
OK
The list of all flags that could be resolved. Note: if any flag was archived it will not be included in this list.
An opaque token that is used when apply is set to false in ResolveFlags.
When apply is set to false, the token must be passed to ApplyFlags.
Unique identifier for this particular resolve request.