/**
 * Query DTOs for Clean, Fluent Repository API
 * Optimized developer experience with type safety
 */
import { SortDirection } from '../types';
/**
 * Base Query DTO - Common query parameters
 */
export declare class BaseQueryDto {
    limit?: number;
    page?: number;
    search?: string;
    include?: string[];
    select?: string[];
}
/**
 * User Query DTO - Auto-typed for User entity
 */
export declare class UserQueryDto extends BaseQueryDto {
    status?: 'active' | 'inactive';
    userType?: 'business' | 'individual';
    email?: string;
    sortBy?: SortDirection;
    sortField?: 'createdAt' | 'updatedAt' | 'name';
}
/**
 * File Query DTO - Auto-typed for File entity
 */
export declare class FileQueryDto extends BaseQueryDto {
    userId?: string;
    status?: 'active' | 'deleted';
    fileType?: string;
    minSize?: number;
    maxSize?: number;
}
/**
 * Generic Query Builder for any entity
 */
export declare class QueryBuilder<T> {
    private criteria;
    where(conditions: Partial<T>): this;
    include(relations: string[]): this;
    select(fields: string[]): this;
    sort(field: keyof T, direction?: SortDirection): this;
    limit(count: number): this;
    paginate(page: number, limit?: number): this;
    search(term: string, fields: string[]): this;
    build(): any;
}