/**
 * Error types and classes
 */
export declare class DDPError extends Error {
    code: string;
    details?: Record<string, unknown> | undefined;
    constructor(message: string, code: string, details?: Record<string, unknown> | undefined);
}
export declare class DatabaseError extends DDPError {
    query?: string | undefined;
    constructor(message: string, query?: string | undefined, details?: Record<string, unknown>);
}
export declare class ValidationError extends DDPError {
    field: string;
    constructor(message: string, field: string, details?: Record<string, unknown>);
}
export declare class FileError extends DDPError {
    filePath: string;
    constructor(message: string, filePath: string, details?: Record<string, unknown>);
}
export type TErrorCode = 'DATABASE_ERROR' | 'VALIDATION_ERROR' | 'FILE_ERROR' | 'UNKNOWN_ERROR';
export type TErrorSeverity = 'low' | 'medium' | 'high' | 'critical';
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