/**
 * Base error class for aibtc-mcp-server
 */
export declare class AibtcError extends Error {
    readonly code: string;
    readonly details?: unknown | undefined;
    constructor(message: string, code: string, details?: unknown | undefined);
}
/**
 * Error for invalid configuration
 */
export declare class ConfigError extends AibtcError {
    constructor(message: string, details?: unknown);
}
/**
 * Error for transaction failures
 */
export declare class TransactionError extends AibtcError {
    readonly txid?: string | undefined;
    constructor(message: string, txid?: string | undefined, details?: unknown);
}
/**
 * Error for API failures
 */
export declare class ApiError extends AibtcError {
    readonly statusCode?: number | undefined;
    constructor(message: string, statusCode?: number | undefined, details?: unknown);
}
/**
 * Error for contract call failures
 */
export declare class ContractError extends AibtcError {
    readonly contractId?: string | undefined;
    constructor(message: string, contractId?: string | undefined, details?: unknown);
}
/**
 * Base error for wallet operations
 */
export declare class WalletError extends AibtcError {
    constructor(message: string, details?: unknown);
}
/**
 * Error when wallet is locked and operation requires unlocked wallet
 */
export declare class WalletLockedError extends WalletError {
    constructor();
}
/**
 * Error when wallet is not found
 */
export declare class WalletNotFoundError extends WalletError {
    constructor(walletId: string);
}
/**
 * Error for invalid password
 */
export declare class InvalidPasswordError extends WalletError {
    constructor();
}
/**
 * Error for invalid mnemonic
 */
export declare class InvalidMnemonicError extends WalletError {
    constructor();
}
/**
 * Error when account has insufficient balance for an operation
 */
export declare class InsufficientBalanceError extends AibtcError {
    readonly tokenType: 'STX' | 'sBTC';
    readonly balance: string;
    readonly required: string;
    readonly shortfall: string;
    constructor(message: string, tokenType: 'STX' | 'sBTC', balance: string, required: string, shortfall: string);
}
/**
 * Format error for tool response
 */
export declare function formatError(error: unknown): {
    message: string;
    code?: string;
    details?: unknown;
};
/**
 * Create error response for MCP tools
 */
export declare function createErrorResponse(error: unknown): {
    content: Array<{
        type: "text";
        text: string;
    }>;
    isError: true;
};
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