Parser:
        - id: 'fix1'
          type: FixedDataModelElement
          name: 'fix1'
          args: 'fixed1string'
        - id: 'decimal1'
          type: DecimalIntegerValueModelElement
          name: 'decimal1'
        - id: 'seq1'
          type: SequenceModelElement
          start: True
          name: 'seq1'
          args:
            - fix1
            - decimal1
