import type { UseSignMessageReturn } from '@meshconnect/uwc-types';
/**
 * Hook for signing messages with the connected wallet
 * @returns Object containing signMessage function, loading state, and last signature
 * @throws Error if used outside of ConnectionProvider
 * @example
 * ```tsx
 * const { signMessage, isLoading, signature } = useSignMessage()
 *
 * const handleSign = async () => {
 *   try {
 *     const sig = await signMessage('Hello World')
 *     console.log('Signature:', sig)
 *     // signature state will also be updated with the result
 *   } catch (error) {
 *     console.error('Failed to sign:', error)
 *   }
 * }
 * ```
 */
export declare function useSignMessage(): UseSignMessageReturn;
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