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Optional. Which variant of the Speech model to use.
Entries
No model variant specified. In this case Dialogflow defaults to USE_BEST_AVAILABLE.
Use the best available variant of the Speech model that the caller is eligible for. Please see the Dialogflow docs for how to make your project eligible for enhanced models.
Use standard model variant even if an enhanced model is available. See the Cloud Speech documentation for details about enhanced models.
Use an enhanced model variant: * If an enhanced variant does not exist for the given model and request language, Dialogflow falls back to the standard variant. The Cloud Speech documentation describes which models have enhanced variants. * If the API caller isn't eligible for enhanced models, Dialogflow returns an error. Please see the Dialogflow docs for how to make your project eligible.
Types
Functions
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
Returns an array containing the constants of this enum type, in the order they're declared.