/**
 * GraphQL Stream Viewer Helper Library
 * Enables live SSE event monitoring for the GraphQL Stream Viewer extension
 */
import type { HelperConfig, HelperConnection } from './types';
import { waitForExtension } from './messenger';
export type { HelperConfig, HelperConnection, SSEEventData, ConnectionEvent } from './types';
/**
 * Connect to the GraphQL Stream Viewer extension
 * This enables live SSE event monitoring
 *
 * @param config - Configuration options
 * @returns A connection object with disconnect method
 *
 * @example
 * ```typescript
 * import { connectDevTools } from '@graphql-stream-viewer/helper';
 *
 * // Connect with default config
 * const connection = connectDevTools();
 *
 * // Later, when you want to disconnect
 * connection.disconnect();
 * ```
 *
 * @example
 * ```typescript
 * // Connect with custom config
 * const connection = connectDevTools({
 *   debug: true,
 *   captureHTTP: true,
 *   urlFilter: (url) => url.includes('/api/graphql')
 * });
 * ```
 */
export declare function connectDevTools(config?: HelperConfig): HelperConnection;
/**
 * Disconnect from the GraphQL Stream Viewer extension
 * This removes all wrappers and stops capturing events
 */
export declare function disconnect(): void;
/**
 * Check if currently connected to the extension
 */
export declare function isConnected(): boolean;
/**
 * Check if the GraphQL Stream Viewer extension is available
 * Note: This is a best-effort check
 */
export declare function checkExtensionAvailable(): boolean;
/**
 * Wait for the extension to become available (with timeout)
 * Useful for ensuring the extension is loaded before connecting
 *
 * @param timeoutMs - Timeout in milliseconds (default: 5000)
 * @returns Promise that resolves to true if extension is available
 *
 * @example
 * ```typescript
 * import { waitForExtension, connectDevTools } from '@graphql-stream-viewer/helper';
 *
 * async function setupDevTools() {
 *   const available = await waitForExtension();
 *   if (available) {
 *     connectDevTools({ debug: true });
 *   }
 * }
 * ```
 */
export { waitForExtension };
/**
 * Get the current connection, if any
 */
export declare function getConnection(): HelperConnection | null;
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