export interface DataTransferMetadata {
    version: string;
    timestamp: string;
    format: string;
    source?: string;
    description?: string;
    tags?: string[];
    [key: string]: any;
}
export interface ExportOptions {
    format?: 'json' | 'csv' | 'xml';
    pretty?: boolean;
    encrypt?: boolean;
    encryptionKey?: string;
    compress?: boolean;
    includeMetadata?: boolean;
    customMetadata?: Record<string, any>;
    filter?: Record<string, any> | ((item: any) => boolean);
    destination?: 'file' | 'memory' | 'stream' | 'http';
    filename?: string;
    path?: string;
    url?: string;
    headers?: Record<string, string>;
    [key: string]: any;
}
export interface ImportOptions {
    format?: 'json' | 'csv' | 'xml';
    validate?: boolean;
    validateOptions?: any;
    decrypt?: boolean;
    decryptionKey?: string;
    decompress?: boolean;
    source?: 'file' | 'memory' | 'stream' | 'http';
    filename?: string;
    path?: string;
    url?: string;
    headers?: Record<string, string>;
    mergeStrategy?: 'replace' | 'merge' | 'skip';
    transformers?: Array<(data: any) => any>;
    [key: string]: any;
}
export interface ExportResult<T = any> {
    data: T;
    metadata: DataTransferMetadata;
    format: string;
    size?: number;
    path?: string;
    url?: string;
    success: boolean;
    errors?: Error[];
    warnings?: string[];
}
export interface ImportResult<T = any> {
    data: T;
    metadata: DataTransferMetadata;
    format: string;
    totalItems: number;
    importedItems: number;
    skippedItems: number;
    failedItems: number;
    success: boolean;
    errors?: Error[];
    warnings?: string[];
}
export interface DataExportPackage<T = any> {
    data: T;
    metadata: DataTransferMetadata;
    schema?: any;
    checksum?: string;
    version: string;
}
export interface SchemaDefinition {
    type: string;
    version: string;
    properties: Record<string, SchemaProperty>;
    required?: string[];
    additionalProperties?: boolean;
}
export interface SchemaProperty {
    type: string;
    format?: string;
    description?: string;
    default?: any;
    enum?: any[];
    minimum?: number;
    maximum?: number;
    minLength?: number;
    maxLength?: number;
    pattern?: string;
    items?: SchemaProperty | SchemaProperty[];
    properties?: Record<string, SchemaProperty>;
    [key: string]: any;
}