Here is a list of all variables with links to the classes they belong to:

• capabilities : Aws::TextToSpeech::DeviceInfo
• channels : Aws::TextToSpeech::CapabilityInfo
• deviceId : Aws::TextToSpeech::DeviceInfo
• deviceName : Aws::TextToSpeech::DeviceInfo
• sampleRate : Aws::TextToSpeech::CapabilityInfo
• sampleWidthBits : Aws::TextToSpeech::CapabilityInfo