Packages 
Package Description
com.azure.android.core.rest
Package containing implementation-specific APIs that should not be used by end-users.
com.azure.android.core.rest.annotation
Package containing annotations for client side methods that maps to REST APIs.
com.azure.android.core.rest.implementation
Package containing implementation-specific APIs that should not be used by end-users.
com.azure.android.core.rest.util.paging
Package containing paging related types.