/**
 * ToonDB Error Classes
 *
 * @packageDocumentation
 */
/**
 * Base error class for all ToonDB errors.
 */
export declare class ToonDBError extends Error {
    constructor(message: string);
}
/**
 * Error thrown when connection to the database fails.
 */
export declare class ConnectionError extends ToonDBError {
    constructor(message: string);
}
/**
 * Error thrown when a transaction operation fails.
 */
export declare class TransactionError extends ToonDBError {
    constructor(message: string);
}
/**
 * Error thrown when there's a protocol error in IPC communication.
 */
export declare class ProtocolError extends ToonDBError {
    constructor(message: string);
}
/**
 * Error thrown when a database operation fails.
 */
export declare class DatabaseError extends ToonDBError {
    constructor(message: string);
}
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