/**
 * Hook return type detection and normalization utilities
 * Handles compatibility between different CDP SDK versions that return different types
 */
/**
 * Normalized user data structure
 */
export interface NormalizedUser {
    userId: string;
    email?: string;
    evmAccounts: string[];
}
/**
 * Safe extraction of EVM address from CDP hooks
 * Handles both primitive string returns and object returns
 *
 * @param evmAddressResult - Result from useEvmAddress() hook
 * @returns string | null - The EVM address or null
 */
export declare function getEvmAddress(evmAddressResult: any): string | null;
/**
 * Safe extraction of current user from CDP hooks
 * Handles both primitive object returns and nested object returns
 *
 * @param currentUserResult - Result from useCurrentUser() hook
 * @returns NormalizedUser | null - The normalized user data or null
 */
export declare function getCurrentUser(currentUserResult: any): NormalizedUser | null;
/**
 * Safe extraction of initialization status
 * Handles both boolean returns and object returns
 *
 * @param isInitializedResult - Result from useIsInitialized() hook
 * @returns boolean - The initialization status
 */
export declare function getIsInitialized(isInitializedResult: any): boolean;
/**
 * Safe extraction of action hooks (signOut, signInWithEmail, etc.)
 * These hooks typically return objects with action functions
 *
 * @param hookResult - Result from action hook (useSignOut, useSignInWithEmail, etc.)
 * @returns object - The action functions or empty object
 */
export declare function getHookActions(hookResult: any): Record<string, Function>;
/**
 * Detect CDP SDK environment and version compatibility
 * Provides diagnostic information for troubleshooting
 *
 * @returns object - Environment diagnostic information
 */
export declare function detectCDPEnvironment(): {
    hasWindow: boolean;
    hasProcess: boolean;
    nodeEnv: string;
    userAgent: string;
    recommendations: string[];
};
/**
 * Validate that CDP hooks are returning expected types
 * Run this in development to catch compatibility issues early
 *
 * @param hookResults - Object containing results from various hooks
 */
export declare function validateHookReturns(hookResults: {
    evmAddress?: any;
    currentUser?: any;
    isInitialized?: any;
}): void;