Optional exactA required value of a property. If the video capture device cannot output this value, the video capture fails.
Optional idealAn ideal value of a property. If the video capture device cannot output this value, it outputs the closest value instead.
Optional maxThe upper limit of the property.
Optional minThe lower limit of the property.
Specifies a constraint for a property, such as the resolution or bitrate for video capture in [[VideoEncoderConfiguration]].