/**
 * Shared Gemini adapter onto the agentic loop engine.
 *
 * Lives in `core/` rather than inside either provider's folder because two
 * providers use it: Google AI Studio (Task 9) and Vertex Gemini (Task 10).
 * Both issue the same wire call — `models.generateContentStream` — and consume
 * the same response shape, so one `executeStep` serves four hand-rolled loops
 * (each provider has a streaming one and a near-duplicate inside `generate()`).
 *
 * Function-name sanitization stays entirely on this side of the engine
 * boundary, which is the design decision Task 7 recorded rather than a
 * shortcut. Google requires function names to match a restricted pattern, so
 * declarations are built with sanitized names and the model calls back with
 * those same sanitized names. The engine only ever sees plain string names, so
 * this adapter translates sanitized -> original before returning `toolCalls`,
 * and original -> sanitized when writing `functionResponse` parts. Neither the
 * engine nor any other adapter needs to know sanitization happened.
 */
import type { AgenticLoopAdapter, GeminiLoopAdapterConfig, GeminiStepRaw, GeminiStepRequest, GeminiTurnContent, GenerationRecord } from "../types/index.js";
/**
 * @description Describes one Gemini request as the request half of a Langfuse generation.
 * @param provider {string} - Provider name used to price the call.
 * @param request {GeminiStepRequest} - Model, contents and generation config sent.
 * @returns {GenerationRecord} Provider, model, sampling and thinking parameters, and the system instruction plus contents.
 */
export declare function describeGeminiRequest(provider: string, request: GeminiStepRequest): GenerationRecord;
export declare function createGeminiLoopAdapter(config: GeminiLoopAdapterConfig): AgenticLoopAdapter<GeminiTurnContent[], GeminiStepRaw>;