import { KiotVietClient } from '../client';
import { KiotVietListResponse, CustomerCreateParams, CustomerUpdateParams } from '../types';
import { Customer } from '../types';
export declare class CustomerHandler {
    private client;
    constructor(client: KiotVietClient);
    /**
     * List customers with optional filtering
     * @param params Filter parameters (pageSize, currentItem)
     * Documentation: GET /customers
     */
    list(params?: Record<string, any>): Promise<KiotVietListResponse<Customer>>;
    /**
     * Get a customer by their ID
     * @param customerId The ID of the customer to retrieve
     * Documentation: GET /customers/{id}
     */
    getById(customerId: number): Promise<Customer>;
    /**
     * Create a new customer
     * @param customerData The customer data to create
     * Documentation: POST /customers
     */
    create(customerData: CustomerCreateParams): Promise<Customer>;
    /**
     * Search customers by keyword
     * @param query Search query
     * @param params Additional filter parameters
     */
    search(query: string, params?: Record<string, any>): Promise<KiotVietListResponse<Customer>>;
    /**
     * Get customers by group ID
     * @param groupId The ID of the customer group
     * @param params Additional filter parameters
     */
    getByGroup(groupId: number, params?: Record<string, any>): Promise<KiotVietListResponse<Customer>>;
    /**
     * Get customer by contact number
     * @param contactNumber The customer's contact number
     */
    getByContactNumber(contactNumber: string): Promise<Customer | null>;
    /**
     * Update an existing customer
     * @param customerId The ID of the customer to update
     * @param customerData The customer data to update
     * Documentation: PUT /customers/{id}
     */
    update(customerId: number, customerData: Partial<CustomerUpdateParams>): Promise<Customer>;
    /**
     * Delete a customer
     * @param customerId The ID of the customer to delete
     * Documentation: DELETE /customers/{id}
     */
    delete(customerId: number): Promise<void>;
}