platform-tools_api_annotations/service/voice/annotations.xml

<?xml version="1.0" encoding="UTF-8"?>
<root>
  <item name="android.service.voice.AlwaysOnHotwordDetector boolean startRecognition(int) 0">
    <annotation name="androidx.annotation.IntDef">
      <val name="flag" val="true" />
      <val name="value" val="{android.service.voice.AlwaysOnHotwordDetector.RECOGNITION_FLAG_CAPTURE_TRIGGER_AUDIO, android.service.voice.AlwaysOnHotwordDetector.RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS}" />
    </annotation>
  </item>
  <item name="android.service.voice.AlwaysOnHotwordDetector int getSupportedRecognitionModes()">
    <annotation name="androidx.annotation.IntDef">
      <val name="flag" val="true" />
      <val name="value" val="{android.service.voice.AlwaysOnHotwordDetector.RECOGNITION_MODE_VOICE_TRIGGER, android.service.voice.AlwaysOnHotwordDetector.RECOGNITION_MODE_USER_IDENTIFICATION}" />
    </annotation>
  </item>
  <item name="android.service.voice.VoiceInteractionSession.AssistState int getCount()">
    <annotation name="androidx.annotation.IntRange">
      <val name="from" val="0" />
    </annotation>
  </item>
  <item name="android.service.voice.VoiceInteractionSession.AssistState int getIndex()">
    <annotation name="androidx.annotation.IntRange">
      <val name="from" val="-1" />
    </annotation>
  </item>
</root>