/**
 * memory-transport.ts, an in-process stand-in for the multicast socket.
 *
 * Exported rather than kept in a test file because both consumer repositories
 * need it: a composition that wires the election has to be able to prove its
 * own wiring without opening a socket or waiting real seconds.
 *
 * It models the two properties of the real transport that the state machine
 * actually depends on: every attached node receives every datagram INCLUDING
 * its own (loopback is on), and delivery is synchronous relative to the
 * injected clock. `partition` reproduces a split network so a heal can be
 * tested; datagrams sent across a partition boundary are dropped, exactly as a
 * severed link would drop them.
 */
import type { ClusterTransport, ClusterTransportDescription } from './types.js';
/** A shared segment. Every transport built from one bus can hear the others. */
export declare class MemoryClusterBus {
    private readonly attachments;
    /** Segment id per transport; different ids cannot hear each other. */
    private readonly segments;
    /** Every datagram sent, for tests that assert on protocol ordering. */
    readonly sent: {
        readonly from: string;
        readonly raw: string;
    }[];
    createTransport(label: string): MemoryClusterTransport;
    /** Move a transport onto a named network segment. */
    partition(transport: MemoryClusterTransport, segment: string): void;
    /** Put every transport back on one segment. */
    heal(): void;
    attach(transport: MemoryClusterTransport, onMessage: (raw: string) => void): void;
    detach(transport: MemoryClusterTransport): void;
    broadcast(from: MemoryClusterTransport, raw: string): void;
}
export declare class MemoryClusterTransport implements ClusterTransport {
    private readonly bus;
    readonly label: string;
    private running;
    constructor(bus: MemoryClusterBus, label: string);
    start(onMessage: (raw: string) => void): Promise<void>;
    send(raw: string): Promise<void>;
    stop(): Promise<void>;
    describe(): ClusterTransportDescription;
}
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