<composite name="SMFHeader">
  <type name="magicNumber"
        description="The magic number identifying the section."
        presence="constant"
        primitiveType="uint64">
    0x89534D460D0A1A0A
  </type>
  <type name="versionMajor"
        description="The major version of the specification to which this file conforms."
        primitiveType="uint32"/>
  <type name="versionMinor"
        description="The minor version of the specification to which this file conforms."
        primitiveType="uint32"/>
</composite>