class ActiveSupport::CachingKeyGenerator

def generate_key(*args)

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

def generate_key: (*Array[String] args) -> String

This signature was generated using 3 samples from 1 application.

Returns a derived key suitable for use. 
def generate_key(*args)
  @cache_keys[args.join("|")] ||= @key_generator.generate_key(*args)
end