import { RequestBuilder, type TaggedNostrEvent, type UsersRelays } from "..";
import { BackgroundLoader } from "../background-loader";
export declare class RelayMetadataLoader extends BackgroundLoader<UsersRelays> {
    name(): string;
    onEvent(e: Readonly<TaggedNostrEvent>): UsersRelays | undefined;
    getExpireCutoff(): number;
    protected buildSub(missing: string[]): RequestBuilder;
}
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