/**
 * FieldsService mocking utilities for service tests
 * Provides simplified mocks for src/services/fields module used in service testing
 */
/**
 * Creates a standard FieldsService mock for service tests
 * This matches the pattern used in CollectionsService tests
 *
 * @returns Mock module object for vi.mock()
 *
 * @example
 * ```typescript
 * // Standard usage
 * vi.mock('./fields.js', async () => {
 *   const { mockFieldsService } = await import('../test-utils/services/fields-service.js');
 *   return mockFieldsService();
 * });
 *
 * // To dynamically change FieldsService behavior during tests:
 * import { FieldsService } from './fields.js';
 * vi.spyOn(FieldsService.prototype, 'addColumnToTable').mockImplementation((table, collection, field) => {
 *   // custom implementation
 * });
 * ```
 */
export declare function mockFieldsService(): {
    FieldsService: import("vitest").Mock<(...args: any[]) => any>;
};