var metadata = {
    "circuitElementList" : [
        "Input", "Output", "NotGate", "OrGate", "AndGate", "NorGate", "NandGate", "XorGate", "XnorGate", "SevenSegDisplay", "SixteenSegDisplay", "HexDisplay",
        "Multiplexer", "BitSelector", "Splitter", "Power", "Ground", "ConstantVal", "ControlledInverter", "TriState", "Adder","TwoComplement", "Rom", "RAM", "EEPROM", "TflipFlop",
        "JKflipFlop", "SRflipFlop", "DflipFlop", "TTY", "Keyboard", "Clock", "DigitalLed", "Stepper", "VariableLed", "RGBLed", "SquareRGBLed", "RGBLedMatrix", "Button", "Demultiplexer",
        "Buffer", "SubCircuit", "Flag", "MSB", "LSB", "PriorityEncoder", "Tunnel", "ALU", "Decoder", "Random", "Counter", "Dlatch", "TB_Input", "TB_Output", "ForceGate",
    ],
    
    "annotationList" : ["Text", "Rectangle", "Arrow"],
    "inputList" : ["Random", "Dlatch", "JKflipFlop", "TflipFlop", "SRflipFlop", "DflipFlop", "Buffer", "Stepper", "Ground", "Power", "ConstantVal", "Input", "Clock", "Button", "Counter"],
    "subCircuitInputList" : ["Random", "Dlatch", "JKflipFlop", "TflipFlop", "SRflipFlop", "DflipFlop", "Buffer", "Stepper", "Ground", "Power", "ConstantVal", "Clock", "Button", "Counter"],
    "elementHierarchy": {  
       "Input":[  
          "Input",
          "Button",
          "Power",
          "Ground",
          "ConstantVal",
          "Stepper",
          "Random",
          "Counter"
       ],
       "Output":[  
          "Output",
          "RGBLed",
          "DigitalLed",
          "VariableLed",
          "HexDisplay",
          "SevenSegDisplay",
          "SixteenSegDisplay",
          "SquareRGBLed",
          "RGBLedMatrix"
 
       ],
       "Gates":[  
          "AndGate",
          "OrGate",
          "NotGate",
          "XorGate",
          "NandGate",
          "NorGate",
          "XnorGate"
       ],
       "Decoders & Plexers":[  
          "Multiplexer",
          "Demultiplexer",
          "BitSelector",
          "MSB",
          "LSB",
          "PriorityEncoder",
          "Decoder"
       ],
       "Sequential Elements":[  
          "DflipFlop",
          "Dlatch",
          "TflipFlop",
          "JKflipFlop",
          "SRflipFlop",
          "TTY",
          "Keyboard",
          "Clock",
       ],
       "Memory Elements":[
          "Rom",
          "RAM",
          "EEPROM"
       ],
       "Test Bench":[  
          "TB_Input",
          "TB_Output",
          "ForceGate"
       ],
       "Misc":[  
          "Flag",
          "Splitter",
          "Adder",
          "TriState",
          "Buffer",
          "ControlledInverter",
          "ALU",
          "Rectangle",
          "Arrow",
          "Text",
		  "Tunnel",
		  "TwoComplement"
       ]
    }
 }