class Google::Cloud::Config

def delete! key = nil

Parameters:

key (Symbol, nil) -- The key to delete. If omitted or `nil`,

def delete! key = nil
  if key.nil?
    @values.clear
    @defaults.clear
    @validators.clear
  else
    @values.delete key
    @defaults.delete key
    @validators.delete key
  end
  self
end