New allocates and returns a new gRPC (external) backendplugin.Plugin.

NewBackendPlugin creates a new backend plugin factory used for registering a backend plugin.

NewRendererPlugin creates a new renderer plugin factory used for registering a backend renderer plugin.

DefaultProtocolVersion is the protocol version assumed for legacy clients that don't specify a particular version or version 1 during their handshake.

Client client for communicating with a plugin using the current (v2) plugin protocol.

LegacyClient client for communicating with a plugin using the v1 plugin protocol.

PluginDescriptor is a descriptor used for registering backend plugins.

PluginStartFuncs functions called for plugin when started.

LegacyStartFunc callback function called when a plugin with old plugin protocol is started.

StartFunc callback function called when a plugin with current plugin protocol version is started.