import { Agent } from './agent';
import { RunItem } from './items';
import { ResponseStreamEvent } from './types';
/**
 * Streaming event from the LLM. These are `raw` events, i.e. they are directly passed through from
 * the LLM.
 */
export declare class RunRawModelStreamEvent {
    data: ResponseStreamEvent;
    readonly source: string | undefined;
    /**
     * The type of the event.
     */
    readonly type = "raw_model_stream_event";
    /**
     * @param data The raw responses stream events from the LLM.
     */
    constructor(data: ResponseStreamEvent, source?: string | undefined);
}
/**
 * The names of the events that can be generated by the agent.
 */
export type RunItemStreamEventName = 'message_output_created' | 'handoff_requested' | 'handoff_occurred' | 'tool_search_called' | 'tool_search_output_created' | 'tool_called' | 'tool_output' | 'reasoning_item_created' | 'tool_approval_requested';
/**
 * Streaming events that wrap a `RunItem`. As the agent processes the LLM response, it will generate
 * these events from new messages, tool calls, tool outputs, handoffs, etc.
 */
export declare class RunItemStreamEvent {
    name: RunItemStreamEventName;
    item: RunItem;
    readonly type = "run_item_stream_event";
    /**
     * @param name The name of the event.
     * @param item The item that was created.
     */
    constructor(name: RunItemStreamEventName, item: RunItem);
}
/**
 * Event that notifies that there is a new agent running.
 */
export declare class RunAgentUpdatedStreamEvent {
    agent: Agent<any, any>;
    readonly type = "agent_updated_stream_event";
    /**
     * @param agent The new agent
     */
    constructor(agent: Agent<any, any>);
}
/**
 * A streaming event from an agent run.
 */
export type RunStreamEvent = RunRawModelStreamEvent | RunItemStreamEvent | RunAgentUpdatedStreamEvent;