CreateHostPlugin takes in a type, parses the various options to look for a plugin matching that name, and returns a host plugin client, a cleanup function to execute on shutdown of the enclosing program, and an error.

CreateStoragePlugin takes in a type, parses the various options to look for a plugin matching that name, and returns a storage plugin client, a cleanup function to execute on shutdown of the enclosing program, and an error.

ServeHostPlugin is a generic function to start serving a host plugin service as a plugin.

WithLogger allows passing a logger to the plugin library for debugging.

WithPluginOptions allows providing plugin-related (as opposed to configutil-related) options.

HandshakeConfig is a shared config that can be used regardless of plugin, to avoid having to know type-specific things about each plugin.

Option - a type that wraps an interface for compile-time safety but can contain an option for this package or for wrappers implementing this interface.