ConstReadonlyGET_PORT: "___DIRECT_IPC_MESSAGE___:get-port"Renderer requests a port to another renderer
ReadonlyMAP_UPDATE: "___DIRECT_IPC_MESSAGE___:map-update"Main sends map updates
ReadonlyPORT_MESSAGE: "___DIRECT_IPC_MESSAGE___:port"Main sends MessagePort to renderer
ReadonlyREFRESH_MAP: "___DIRECT_IPC_MESSAGE___:refresh-map"Renderer requests manual map refresh
ReadonlySUBSCRIBE: "___DIRECT_IPC_MESSAGE___:subscribe"Renderer subscribes to get initial map
ReadonlyUPDATE_IDENTIFIER: "___DIRECT_IPC_MESSAGE___:update-identifier"Renderer updates its identifier
ReadonlyUTILITY_READY: "___DIRECT_IPC_MESSAGE___:utility-ready"Utility process signals ready state
ReadonlyUTILITY_REGISTER: "___DIRECT_IPC_MESSAGE___:utility-register"Utility process registers with main
Channels used for DirectIpc communication