Enums.DirectionMessageType enumeration

The DirectionMessageType can be one of:

Constant	Description
`Enums.DirectionMessageTypeStreetName`	`(9)` A street name message.
`Enums.DirectionMessageTypeAlternativeName`	`(10)` An alternative street name message.
`Enums.DirectionMessageTypeBranch`	`(11)` A signpost branch message.
`Enums.DirectionMessageTypeToward`	`(12)` A signpost toward message.
`Enums.DirectionMessageTypeCrossStreet`	`(13)` An intersected street name message.
`Enums.DirectionMessageTypeExit`	`(14)` An exit message.