import type * as net from 'node:net';
import type { OpShapes } from './worker-protocol.js';
export interface ClientState {
    socket: net.Socket;
    /**
     * Raw inbound bytes. Frames may be newline-delimited JSON or length-
     * prefixed binary (magic 0x57); the mode is sniffed per frame. Kept as
     * bytes because a JSON text line may split a multibyte UTF-8 sequence at a
     * chunk boundary — the StringDecoder handles that at parse time.
     */
    buffer: Buffer;
    cancelled: Set<number>;
    cancel: Map<number, () => void>;
    watchExternal: boolean;
    debounceMs: number;
    coalesceWindowMs: number;
    lastSeenAt: number;
    /** True once this client has sent at least one binary frame. */
    binary: boolean;
}
export interface FullIndexSubscriber {
    state: ClientState;
    id: number;
}
export interface ActiveFullIndex {
    promise: Promise<OpShapes['index']['result']>;
    controller: AbortController;
    subscribers: Set<FullIndexSubscriber>;
}
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