class ActionDispatch::Response

def to_a

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

def to_a: () -> Array[Integer]

This signature was generated using 2 samples from 1 application.

status, headers, body = *response

and body. Allows explicit splatting:
Turns the Response into a Rack-compatible array of the status, headers, 
def to_a
  commit!
  rack_response @status, @header.to_hash
end