import type { ModuleDependencies } from '../../modules/pipeline/interfaces/pipeline-interfaces.js';
import type { ExecutionHarness, ProviderHarnessExecuteInput, ProviderHarnessResult } from '../types.js';
export declare class ProviderPreprocessHarness implements ExecutionHarness<ProviderHarnessExecuteInput, ProviderHarnessResult> {
    private readonly defaultDependencies?;
    readonly id = "provider.preprocess";
    private readonly providers;
    constructor(defaultDependencies?: ModuleDependencies | undefined);
    private ensureProvider;
    executeForward(input: ProviderHarnessExecuteInput): Promise<ProviderHarnessResult>;
}