import type { LanguageModel } from 'ai';
import type { ResolvedNode, TurnResult } from '../../types/channel.js';
import type { RunContext } from '../../types/run-context.js';
import type { AnyTool } from '../../types/effectTool.js';
import { type ModelTurnLoop } from './ModelTurnLoop.js';
/**
 * Shared non-speaking field extraction for collect nodes. The same model-loop
 * SPI as replies is used, but model prose is discarded by construction and
 * the flow engine remains the only author of the user-facing question.
 */
export declare function runSilentExtraction(node: ResolvedNode, ctx: RunContext, model: LanguageModel, maxSteps: number, agentToolDefs?: Record<string, AnyTool>, modelLoop?: ModelTurnLoop): Promise<TurnResult>;