import { Blob, Content } from './types';
import { LlmResponse } from './LlmResponse';
/**
 * The base class for a live model connection.
 */
export declare abstract class BaseLlmConnection {
    /**
     * Sends the conversation history to the model.
     *
     * You call this method right after setting up the model connection.
     * The model will respond if the last content is from user, otherwise it will
     * wait for new user input before responding.
     *
     * @param history The conversation history to send to the model.
     */
    abstract sendHistory(history: Content[]): Promise<void>;
    /**
     * Sends a user content to the model.
     *
     * The model will respond immediately upon receiving the content.
     * If you send function responses, all parts in the content should be function
     * responses.
     *
     * @param content The content to send to the model.
     */
    abstract sendContent(content: Content): Promise<void>;
    /**
     * Sends a chunk of audio or a frame of video to the model in realtime.
     *
     * The model may not respond immediately upon receiving the blob. It will do
     * voice activity detection and decide when to respond.
     *
     * @param blob The blob to send to the model.
     */
    abstract sendRealtime(blob: Blob): Promise<void>;
    /**
     * Receives the model response using the llm server connection.
     *
     * @returns An async generator yielding LlmResponse objects.
     */
    abstract receive(): AsyncGenerator<LlmResponse, void, unknown>;
    /**
     * Closes the llm server connection.
     */
    abstract close(): Promise<void>;
}