Requests and responses for custom methods. The request to detect user's
intent.
The parameters of this query.
Instructs the speech synthesizer how to generate the output
audio. If this field is not set and agent-level speech
synthesizer is not configured, no output audio is generated.
The natural language speech audio to be processed. This field
should be populated iff query_input is set to an input
audio config. A single request can contain up to 1 minute of
speech audio data.
