/**
 * Utilities for handling CDP (Chrome DevTools Protocol) responses
 *
 * When using playwright-mcp in extension mode with CDP relay, some methods
 * that normally return primitive types (strings, Buffers, arrays) may instead
 * return CDP response objects. These utilities handle both cases gracefully.
 */
/**
 * Extract HTML content from various response formats including CDP responses
 *
 * This function handles the case where page.content() returns a CDP response object
 * instead of a string when using extension mode with CDP relay.
 *
 * @param response - The response which could be a string or CDP response object
 * @returns The HTML content as a string
 */
export declare function extractContentFromCDPResponse(response: any): any;
/**
 * Extract string data from CDP responses
 *
 * Handles page.content() and similar string-returning methods
 *
 * @param response - The response that should contain string data
 * @returns The extracted string
 */
export declare function extractStringFromCDPResponse(response: any): string;
/**
 * Extract elements array from CDP responses
 *
 * Specifically handles locator.all() responses that may come back as CDP objects
 *
 * @param response - The response from locator.all() or similar methods
 * @returns An array of elements
 */
export declare function extractElementsFromCDPResponse(response: any): any[];
/**
 * Extract Buffer data from CDP responses
 *
 * Handles screenshot and other binary data that may come back as CDP objects
 *
 * @param response - The response from page.screenshot() or similar methods
 * @returns A Buffer containing the binary data
 */
export declare function extractBufferFromCDPResponse(response: any): Buffer;
/**
 * Extract boolean data from CDP responses
 *
 * @param response - The response that should contain boolean data
 * @returns The extracted boolean
 */
export declare function extractBooleanFromCDPResponse(response: any): boolean;
/**
 * Extract number data from CDP responses
 *
 * @param response - The response that should contain number data
 * @returns The extracted number
 */
export declare function extractNumberFromCDPResponse(response: any): number;