Cause returns the cause of the given error if it's defined.

GetPrintableMessage returns a user friendly error to print to the user.

Marshal converts an error (that may contain custom Kelda error types) into an error that can be transmitted over gRPC, and unmarshalled on the other side.

New returns a new Go error.

NewFriendlyError returns a new user friendly error that can be retrieved by GetPrintableMessage.

RootCause returns the root cause of the given error.

Unmarshal reconstructs an error created by Marshal.

WithContext returns an error that can be unwrapped by `Cause`.

ContextError is an error that has information on what caused it.

A FriendlyError is an error with that can be directly printed to the user without any other context.