class Puma::UserFileDefaultOptions

def fetch(key, default_value = nil)

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

def fetch: (Symbol key, ?nil default_value) -> Float

This signature was generated using 1 sample from 1 application. 

def fetch(key, default_value = nil)
  return user_options[key]    if user_options.key?(key)
  return file_options[key]    if file_options.key?(key)
  return default_options[key] if default_options.key?(key)
  default_value
end