import type { Api, Model, ToolChoice } from "@oh-my-pi/pi-ai";
/**
 * Build a provider-aware tool choice that targets one specific tool when supported.
 * Providers that only expose required/any forcing may still honor named choices by
 * narrowing their request tool list before transport.
 */
export declare function buildNamedToolChoice(toolName: string, model?: Model<Api>): ToolChoice | undefined;