module Google::Cloud

def self.loaded_files
  files = Array(caller).map do |backtrace_line|
    until backtrace_line.split(":").size < 2 || File.file?(backtrace_line)
      backtrace_line = backtrace_line.split(":")[0..-2].join ":"
    end
    backtrace_line
  end
  files.uniq!
  files.select! { |file| File.file? file }
  files.map { |file| File.realpath file }
end