export const PORT_NAME = "devtools-port" ; export const INJECTED_SCRIPT_ID = "__DEVTOOLS_RUNTIME__" ; export const RUNTIME_SOURCE = "__DEVTOOLS_RUNTIME__" ; export const CONTENT_SOURCE = "__DEVTOOLS_CONTENT__" ; export const PANEL_SOURCE = "__DEVTOOLS_PANEL__" ; export const POPUP_SOURCE = "__DEVTOOLS_POPUP__" ; export const BACKGROUND_SOURCE = "__DEVTOOLS_BACKGROUND__" ; export type MESSAGE_SOURCE = typeof RUNTIME_SOURCE | typeof CONTENT_SOURCE | typeof PANEL_SOURCE | typeof POPUP_SOURCE | typeof BACKGROUND_SOURCE ;