/// <reference types="firefox-webext-browser" />
import { Message } from "./message";
export type MessageSender = Pick<browser.runtime.MessageSender, "id" | "url" | "tab">;
export type FnRequestInteractionOptions = {
    unstableOnClose?: () => void;
    ignoreURIReplacement?: boolean;
};
export type FnRequestInteraction = <M extends Message<unknown>>(url: string, msg: M, options?: FnRequestInteractionOptions) => Promise<M extends Message<infer R> ? R : never>;
export interface Env {
    readonly isInternalMsg: boolean;
    readonly requestInteraction: FnRequestInteraction;
    readonly sender: MessageSender;
}
export type EnvProducer = (sender: MessageSender, routerMeta: Record<string, any>) => Env;
export interface MessageRequester {
    sendMessage<M extends Message<unknown>>(port: string, msg: M): Promise<M extends Message<infer R> ? R : never>;
}
export type Guard = (env: Omit<Env, "requestInteraction">, msg: Message<unknown>, sender: MessageSender) => Promise<void>;