A single locale with a name, localized to the current system locale,
and a localeId which can be used in the SpeechToText.listen method to choose a
locale for speech recognition.
Options for the listen method. Previously options were provided as
separate parameters to listen however as the number of options grew
this became unwieldy. The options are now provided as a single object
with named parameters. The old style is still supported but deprecated.
If both are used the old style arguments are ignored.