class ActiveSupport::Notifications::Instrumenter

def start(name, payload)

Experimental RBS support (using type sampling data from the type_fusion project). 

def start: (String name, Hash payload) -> Array[ActiveSupport::Notifications::Fanout::Subscribers::Evented]

This signature was generated using 69 samples from 2 applications.

Send a start notification with +name+ and +payload+. 
def start(name, payload)
  @notifier.start name, @id, payload
end