/**
 * Wire formats accepted by `toNativeToolDeclarations` (src/lib/core/nativeToolFormat.ts).
 * `"input_schema"` is Anthropic's native Messages-API tool shape;
 * `"functionDeclarations"` is the @google/genai SDK shape shared by the
 * Gemini-family native providers (Google AI Studio, Vertex+Gemini).
 */
export type NativeToolFormat = "input_schema" | "functionDeclarations";
/** A single tool declaration in Anthropic's native `input_schema` wire format. */
export type NativeAnthropicToolDeclaration = {
    name: string;
    description?: string;
    input_schema: Record<string, unknown>;
    cache_control?: {
        type: "ephemeral";
    };
};