Options for formatAddress.
optional
language: Language
Language of the component-introducing words ("ตำบล" vs "Tambon").
Defaults to Thai. Only affects output when prefix is true.
optional
prefix: boolean
Prefix each component with its administrative word (ตำบล / อำเภอ / …,
or แขวง / เขต for Bangkok). Defaults to true.
optional
separator: string
String placed between components. Defaults to a single space.