/**
 * Shared adapter helpers for web-dev-mcp framework adapters.
 * Extracted from duplicated code in Vite and Next.js adapters.
 *
 * Exported as '@winstonfassett/web-dev-mcp-gateway/helpers'
 */
export declare function setInternalLogging(value: boolean): void;
export interface RegistrationPayload {
    id: string;
    type: string;
    port: number;
    pid: number;
    directory: string;
}
export interface RegistrationResult {
    serverId: string;
    logDir: string;
}
/**
 * Register a dev server with the gateway. Returns result on success, null on failure.
 */
export declare function registerWithGateway(gatewayUrl: string, payload: RegistrationPayload): Promise<RegistrationResult | null>;
/**
 * Register with gateway, retrying every 5s until successful.
 * Calls onRegistered callback once registered.
 */
export declare function registerWithRetry(gatewayUrl: string, payload: RegistrationPayload, onRegistered?: (result: RegistrationResult) => void): {
    cancel: () => void;
};
/**
 * Patch console.log/warn/error/info/debug to forward to the gateway via WebSocket.
 */
export declare function patchConsole(gatewayUrl: string, serverId: string): Promise<void>;
export interface DevEventsHandle {
    send: (payload: any) => void;
    close: () => void;
}
/**
 * Connect to the gateway's dev-events WebSocket for build/HMR events.
 * Returns a handle to send events and close the connection.
 */
export declare function connectDevEvents(gatewayUrl: string, serverId: string): Promise<DevEventsHandle>;
/**
 * Ensure the gateway is running. If not, spawn it as a detached process.
 * Returns once the gateway is reachable.
 */
export declare function ensureGateway(gatewayUrl: string): Promise<void>;
/**
 * Stop a previously auto-started gateway.
 */
export declare function stopGateway(gatewayUrl: string): boolean;
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