// SBE Template definition
		<type name="uInt8NULL" primitiveType="uint8" presence="optional" nullValue="0" description="1-byte unsigned integer, from 1 to 255, NULL (optional) value = 0" />
...
		<enum name="LotType" encodingType="uInt8NULL" semanticType="Int" description="Describes the lot type for the instruments. Used for the Equities segment.">
			<validValue name="ODD_LOT" description="Odd lot">1</validValue>
			<validValue name="ROUND_LOT" description="Round lot">2</validValue>
			<validValue name="BLOCK_LOT" description="Block lot">3</validValue>
		</enum>
// Generated code (Java)
public enum LotType
...
    /**
     * To be used to represent not present or null.
     */
    NULL_VAL((short)255);

  Token{signal=BEGIN_ENUM, name='LotType', referencedName='null', description='Describes the lot type for the instruments. Used for the Equities segment.', id=-1, version=0, deprecated=0, encodedLength=1, offset=198, componentTokenCount=5, encoding=Encoding{presence=REQUIRED, primitiveType=UINT8, byteOrder=LITTLE_ENDIAN, minValue=null, maxValue=null, nullValue=255, constValue=null, characterEncoding='null', epoch='null', timeUnit=null, semanticType='Int'}}
  Token{signal=VALID_VALUE, name='ODD_LOT', referencedName='null', description='Odd lot', id=-1, version=0, deprecated=0, encodedLength=0, offset=0, componentTokenCount=1, encoding=Encoding{presence=REQUIRED, primitiveType=UINT8, byteOrder=LITTLE_ENDIAN, minValue=null, maxValue=null, nullValue=null, constValue=1, characterEncoding='null', epoch='null', timeUnit=null, semanticType='null'}}
  Token{signal=VALID_VALUE, name='ROUND_LOT', referencedName='null', description='Round lot', id=-1, version=0, deprecated=0, encodedLength=0, offset=0, componentTokenCount=1, encoding=Encoding{presence=REQUIRED, primitiveType=UINT8, byteOrder=LITTLE_ENDIAN, minValue=null, maxValue=null, nullValue=null, constValue=2, characterEncoding='null', epoch='null', timeUnit=null, semanticType='null'}}
  Token{signal=VALID_VALUE, name='BLOCK_LOT', referencedName='null', description='Block lot', id=-1, version=0, deprecated=0, encodedLength=0, offset=0, componentTokenCount=1, encoding=Encoding{presence=REQUIRED, primitiveType=UINT8, byteOrder=LITTLE_ENDIAN, minValue=null, maxValue=null, nullValue=null, constValue=3, characterEncoding='null', epoch='null', timeUnit=null, semanticType='null'}}
  Token{signal=END_ENUM, name='LotType', referencedName='null', description='Describes the lot type for the instruments. Used for the Equities segment.', id=-1, version=0, deprecated=0, encodedLength=1, offset=198, componentTokenCount=5, encoding=Encoding{presence=REQUIRED, primitiveType=UINT8, byteOrder=LITTLE_ENDIAN, minValue=null, maxValue=null, nullValue=255, constValue=null, characterEncoding='null', epoch='null', timeUnit=null, semanticType='Int'}}