import type { LlmDriver } from "./driver.js";
import type { LlmStreamEvent, ProviderMessage, ProviderTool } from "./types.js";
interface NativeRunOptions {
    messages: ProviderMessage[];
    tools: ProviderTool[];
    callTool: (name: string, args: Record<string, unknown>) => Promise<unknown>;
    maxSteps?: number;
    signal?: AbortSignal;
}
interface AgentStep {
    action: {
        tool: string;
        toolInput: Record<string, unknown>;
        log: string;
    };
    observation: string;
}
/** Internal native agent runtime: loop → fetch + callTool. */
export declare function streamNativeAgent(driver: LlmDriver, options: NativeRunOptions): AsyncGenerator<LlmStreamEvent, void, unknown>;
/** Map LlmStreamEvent stream to legacy AgentStep yields for MCPAgent.stream(). */
export declare function streamNativeAgentSteps(driver: LlmDriver, options: NativeRunOptions): AsyncGenerator<AgentStep, string, void>;
export declare function runNativeAgent(driver: LlmDriver, options: NativeRunOptions): Promise<string>;
export {};
//# sourceMappingURL=native_runner.d.ts.map