FirebaseVisionImageMetadata.ImageFormat Accepted image format of vision APIs. 
FirebaseVisionImageMetadata.Rotation Indicates the image rotation. 


FirebaseVisionImage Represents an image object that can be used for both on-device and cloud API detectors. 
FirebaseVisionImageMetadata Image metadata used by FirebaseVision detectors. 
FirebaseVisionImageMetadata.Builder Builder class of FirebaseVisionImageMetadata
FirebaseVisionLatLng An object representing a latitude/longitude pair. 
FirebaseVisionPoint Represent a 2D or 3D point for FirebaseVision