import { BaseLlmConnection } from './BaseLlmConnection';
import { LlmRequest } from './LlmRequest';
import { LlmResponse } from './LlmResponse';
/**
 * The BaseLlm abstract class.
 *
 * Attributes:
 *   model: The name of the LLM, e.g. gemini-2.0-flash or gemini-2.0-flash-001.
 */
export declare abstract class BaseLlm {
    /**
     * The name of the LLM, e.g. gemini-2.0-flash or gemini-2.0-flash-001.
     */
    model: string;
    constructor(model: string);
    /**
     * Returns a list of supported models in regex for LlmRegistry.
     */
    static supportedModels(): string[];
    /**
     * Generates one content from the given contents and tools.
     *
     * @param llmRequest The request to send to the LLM.
     * @param stream Whether to do streaming call.
     * @returns An async generator of LlmResponse.
     *
     * For non-streaming call, it will only yield one LlmResponse.
     * For streaming call, it may yield more than one response, but all yielded
     * responses should be treated as one by merging the parts list.
     */
    abstract generateContentAsync(llmRequest: LlmRequest, stream?: boolean): AsyncGenerator<LlmResponse, void, unknown>;
    /**
     * Creates a live connection to the LLM.
     *
     * @param llmRequest The request to send to the LLM.
     * @returns The connection to the LLM.
     */
    connect(llmRequest: LlmRequest): BaseLlmConnection;
}