lib/newrelic-management/util.rb
def parse_json(file = nil, symbolize = true)
      return unless file && ::File.exist?(file.to_s)
      begin
        ::JSON.parse(::File.read(file.to_s), symbolize_names: symbolize)
      rescue JSON::ParserError
        return
      end
    end
def parse_json(file = nil, symbolize = true)
      return unless file && ::File.exist?(file.to_s)
      begin
        ::JSON.parse(::File.read(file.to_s), symbolize_names: symbolize)
      rescue JSON::ParserError
        return
      end
    end
=>    File I/O    <= 

 => Define JSON Parser