# Functions
New returns a Client implementation for this namespace.
NewEchoArg returns a new EchoArg instance.
NewEchoResult returns a new EchoResult instance.
# Structs
AppAPIError is an error-wrapper for the app route.
EchoArg : EchoArg contains the arguments to be sent to the Dropbox servers.
EchoResult : EchoResult contains the result returned from the Dropbox servers.
UserAPIError is an error-wrapper for the user route.
# Interfaces
Client interface describes all routes in this namespace.