Tuple of the wrapped function's parameter types.
The resolved return type.
Invokes the function in FIFO order, waiting for prior work and any remaining cooldown.
Current minimum start-to-start delay (ms); reading samples a dynamic duration.
Number of active calls: 0 or 1.
Number of queued calls awaiting execution.
A serialized function wrapper returned by rateLimited with minimum start-to-start spacing.