AddrTranslator translates addresses between the execution context of the host process and the plugin.

AttachedRunner defines a limited subset of Runner's interface to represent the reduced responsibility for plugin lifecycle when attaching to an already running plugin.

Runner defines the interface required by go-plugin to manage the lifecycle of of a plugin and attempt to negotiate a connection with it.

ReattachFunc can be passed to a client's reattach config to reattach to an already running plugin instead of starting it ourselves.