class RSpec::Mocks::ErrorGenerator

def format_received_args(args_for_multiple_calls) 

def format_received_args(args_for_multiple_calls)
  grouped_args(args_for_multiple_calls).map do |args_for_one_call, index|
    "#{format_args(args_for_one_call)}#{group_count(index, args_for_multiple_calls)}"
  end.join("\n            ")
end