/**
 * Manages isolated test environments for each test scenario.
 * Handles temporary directory creation, asset copying, and cleanup.
 */
export declare class TestEnvironmentManager {
    /**
     * Creates a unique temporary directory for a test scenario.
     * @param scenarioId The ID of the test scenario
     * @returns The path to the created temporary directory
     * @throws Error if directory creation fails
     */
    static createTempDirectory(scenarioId: string): Promise<string>;
    /**
     * Extracts asset references from a scenario task description.
     * Supports both inline content references [[asset:name]] and path references {{path:name}}.
     * @param taskDescription The task description containing asset references
     * @returns Array of asset references with their type (inline or path)
     */
    static extractAssetReferences(taskDescription: string): Array<{
        type: 'inline' | 'path';
        name: string;
        originalRef: string;
    }>;
    /**
     * Extracts environment variable overrides from task description.
     * Supports [[env:unset:VARIABLE_NAME]] to unset variables and
     * [[env:set:VARIABLE_NAME=value]] to set variables.
     *
     * @param taskDescription The task description text
     * @returns Record of environment variable overrides
     */
    static extractEnvOverrides(taskDescription: string): Record<string, string | undefined>;
    /**
     * Resolves the actual file path for an asset based on the scenario ID.
     * @param assetRef The asset reference object
     * @param scenarioId The ID of the test scenario
     * @param testDir The base directory for test files (optional)
     * @returns The absolute path to the asset file
     */
    static resolveAssetPath(assetRef: {
        name: string;
        type: 'inline' | 'path';
    }, scenarioId: string, testDir?: string): string;
    /**
     * Copies all assets referenced in a scenario to the temporary directory.
     * @param scenario The test scenario
     * @param tempDir The temporary directory to copy assets to
     * @param debug Whether to enable debug mode
     * @returns Modified task description with updated asset references
     */
    static copyAssets(scenario: any, tempDir: string, debug?: boolean): Promise<string>;
    /**
     * Cleans up the temporary directory after test execution.
     * @param tempDir The temporary directory to clean up
     */
    static cleanup(tempDir: string): Promise<void>;
}