import type { IDecodedMessage } from "./message.js";
import { ProtocolError } from "./protocols.js";
export interface IAsyncIterator<T extends IDecodedMessage> {
    iterator: AsyncIterator<T>;
    stop: Unsubscribe;
}
export type Unsubscribe = () => void | Promise<void>;
export type PubsubTopic = string;
export type ContentTopic = string;
export type PeerIdStr = string;
export type ThisOrThat<SK extends string, SV, EK extends string = "error", EV = ProtocolError> = ({
    [key in SK]: SV;
} & {
    [key in EK]: null;
}) | ({
    [key in SK]: null;
} & {
    [key in EK]: EV;
});
export type ThisAndThat<SK extends string, SV, EK extends string = "error", EV = ProtocolError> = {
    [key in SK]: SV;
} & {
    [key in EK]: EV;
};