import "../_dnt.polyfills.js";
import * as $ from "../deps/scale.js";
export interface NetProps {
    targets?: Record<string, NetSpec>;
}
export declare abstract class NetSpec implements NetProps {
    name: string;
    targets: Record<string, NetSpec> | undefined;
    abstract connection(name: string): ConnectionSpec;
    abstract metadata(signal: AbortSignal, tempDir: string): Promise<Uint8Array>;
    constructor({ targets }: NetProps);
}
export declare function getMetadataFromWsUrl(url: string): Promise<Uint8Array>;
export type ConnectionSpec = $.Output<typeof $connectionSpec>;
export declare const $connectionSpec: $.Codec<{
    readonly type: "WsConnection";
    readonly discovery: string;
} | {
    readonly type: "DevnetConnection";
    readonly discovery: string;
}, {
    type: "WsConnection";
    discovery: string;
} | {
    type: "DevnetConnection";
    discovery: string;
}>;