import type { Readable, Writable } from 'node:stream';
import { type ConariumDeps } from './server.js';
import type { ConariumConfig } from './types.js';
import type { Server } from '@modelcontextprotocol/sdk/server/index.js';
import { DemoConnector } from './connectors/demo.js';
export declare const DEMO_BANNER = "[conarium] demo mode: sample rows, not a database";
export declare const DEMO_PRODUCTION_REFUSAL = "[conarium] --demo refuses to start when NODE_ENV=production";
export declare class DemoModeRefused extends Error {
    readonly exitCode = 1;
    constructor(message?: string);
}
export declare function parseCliFlags(argv?: string[]): {
    demo: boolean;
    keep: boolean;
};
export declare function demoStartBlocker(env?: NodeJS.ProcessEnv): string | null;
/** In-memory config for `--demo`. Never read from a file. */
export declare function buildDemoConfig(dir: string): ConariumConfig;
export declare function demoVerifyCommand(receiptsPath: string, publicKeyPath: string): string;
export interface DemoSession {
    dir: string;
    keep: boolean;
    publicKeyPath: string;
    receiptsPath: string;
    auditPath: string;
    verifyCommand: string;
    deps: ConariumDeps;
    server: Server;
    connector: DemoConnector;
    stop(): Promise<void>;
}
/**
 * Build the demo process: ephemeral dir, one-shot Ed25519 pair, real
 * `bootDeps` / `buildServer`. Does not attach stdio and does not call
 * `announceUpdate`.
 */
export declare function bootDemo(opts?: {
    keep?: boolean;
}): Promise<DemoSession>;
export declare function attachStdio(server: Server, stdin?: Readable, stdout?: Writable): Promise<void>;
export declare function main(argv?: string[]): Promise<void>;
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