ns: test
name: Defaulter
ports:
  input:
    in1:
      type: string
      default: 'test'
    in2:
      type: boolean
      default: true
    in3:
      type: string
      required: false
    in4:
      description: "required not set so required"
      type: string
    in5:
      type: string
      description: "required specifically set to true"
      required: true
  output:
    out1:
      type: string
fn: "throw Error('not implemented')"