Promise resolving when profile pictures are successfully deleted
OptionalargOptions: ProfileOptionsRetrieves a profile picture for a specific user and size
User ID whose profile picture to retrieve
Image size variant (thumb, medium, large)
Promise resolving to profile picture response with signed URL
Optionaldata: RegisterFormDataUploads a profile picture for the current user
Base64 encoded image data (max 3.5MB decoded size)
MIME type of the image (e.g., 'image/jpeg')
Promise resolving to upload confirmation with signed URLs for all sizes
Optionaldata: SelfRegisterFormData
Deletes the current user's profile pictures