/**
 * Unified entry point for Better Notion MCP
 *
 * TRANSPORT_MODE selects the transport:
 *   - "stdio" (default): Local mode with NOTION_TOKEN env var, MCP SDK
 *     StdioServerTransport directly (no daemon proxy hop). See spec
 *     2026-04-30-multi-mode-stdio-http-architecture.md Task 3.1.
 *   - "http": Remote mode with OAuth 2.1 via Notion
 */
/**
 * Checks if the current module is the main entry point.
 */
export declare function isMain(importMetaUrl: string): boolean;
/**
 * Validates and returns the transport mode from the environment.
 */
export declare function getTransportMode(env?: NodeJS.ProcessEnv, argv?: string[]): string;
/**
 * Dynamically imports and starts the server for the specified mode.
 */
export declare function startServer(mode: string): Promise<void>;
export declare const mode: string;
/**
 * Bootstrap function to start the server with error handling.
 */
export declare function bootstrap(selectedMode?: string): Promise<void>;
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