import { type ApplicationService } from '@adonisjs/core/types';
import { type LucidRow } from '../types/model.js';
/**
 * Provides database assertion methods for use inside test bodies.
 * Exposed on Japa's TestContext as `db`.
 */
export declare class DatabaseTestAssertions {
    #private;
    protected app: ApplicationService;
    protected connectionName?: string | undefined;
    constructor(app: ApplicationService, connectionName?: string | undefined);
    /**
     * Returns a new instance of assertions configured for the given connection
     */
    connection(connectionName: string): DatabaseTestAssertions;
    /**
     * Assert that the given table has rows matching the provided data.
     * When `count` is provided, asserts that exactly that many matching rows exist.
     */
    assertHas(table: string, data: Record<string, any>, count?: number): Promise<void>;
    /**
     * Assert that the given table has no rows matching the provided data.
     */
    assertMissing(table: string, data: Record<string, any>): Promise<void>;
    /**
     * Assert that the given table has exactly the expected number of rows.
     */
    assertCount(table: string, expectedCount: number): Promise<void>;
    /**
     * Assert that the given table is empty (has no rows).
     */
    assertEmpty(table: string): Promise<void>;
    /**
     * Assert that a model instance exists in the database.
     */
    assertModelExists(model: LucidRow): Promise<void>;
    /**
     * Assert that a model instance does not exist in the database.
     */
    assertModelMissing(model: LucidRow): Promise<void>;
}