/**
 * Fixtures System - Pre-configured test environments
 */
import { MockToolkit } from './mocks';
export interface FixtureToolConfig {
    name: string;
    mock?: any;
    mock_file?: string;
    mock_sequence?: any[];
    mock_error?: string;
}
export interface FixtureConfig {
    name: string;
    model?: string;
    tools?: FixtureToolConfig[];
    system_prompt?: string;
    env?: Record<string, string>;
}
/**
 * Load a fixture from a YAML file.
 */
export declare function loadFixture(fixturePath: string): FixtureConfig;
/**
 * Apply a fixture's tool mocks to a MockToolkit.
 */
export declare function applyFixtureMocks(fixture: FixtureConfig, toolkit: MockToolkit, basePath: string): void;
/**
 * Apply fixture env vars (set process.env).
 */
export declare function applyFixtureEnv(fixture: FixtureConfig): Record<string, string | undefined>;
/**
 * Restore env vars to original values.
 */
export declare function restoreEnv(original: Record<string, string | undefined>): void;
export interface FixtureDefinition {
    name: string;
    setup: () => any;
    teardown?: (ctx: any) => void;
}
/**
 * Reusable test setup/teardown manager.
 *
 * Built-in fixtures: mockLLM, mockTools, traceCapture, costTracker
 */
export declare class FixtureManager {
    private fixtures;
    private activeContexts;
    constructor();
    /**
     * Define a named fixture with setup and optional teardown.
     */
    define(name: string, setup: () => any, teardown?: (ctx: any) => void): void;
    /**
     * Use (activate) a fixture — runs setup, returns context.
     */
    use(name: string): any;
    /**
     * Teardown a specific fixture.
     */
    teardown(name: string): void;
    /**
     * Teardown all active fixtures.
     */
    teardownAll(): void;
    /**
     * Check if a fixture is defined.
     */
    has(name: string): boolean;
    /**
     * List all defined fixture names.
     */
    list(): string[];
    /**
     * Get currently active fixture names.
     */
    active(): string[];
    private registerBuiltins;
}
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