import { Content, GroundingMetadata } from './types';
/**
 * Interface representing a response from the LLM model API.
 */
export interface GenerateContentResponse {
    candidates?: {
        content?: Content;
        grounding_metadata?: GroundingMetadata;
        finish_reason?: string;
        finish_message?: string;
    }[];
    prompt_feedback?: {
        block_reason?: string;
        block_reason_message?: string;
    };
}
/**
 * Options for creating an LlmResponse.
 */
export interface LlmResponseOptions {
    /**
     * The content of the response.
     */
    content?: Content;
    /**
     * The grounding metadata of the response.
     */
    groundingMetadata?: GroundingMetadata;
    /**
     * Indicates whether the text content is part of an unfinished text stream.
     * Only used for streaming mode and when the content is plain text.
     */
    partial?: boolean;
    /**
     * Indicates whether the response from the model is complete.
     * Only used for streaming mode.
     */
    turnComplete?: boolean;
    /**
     * Error code if the response is an error. Code varies by model.
     */
    errorCode?: string;
    /**
     * Error message if the response is an error.
     */
    errorMessage?: string;
    /**
     * Flag indicating that LLM was interrupted when generating the content.
     * Usually it's due to user interruption during a bidi streaming.
     */
    interrupted?: boolean;
    /**
     * The custom metadata of the LlmResponse.
     * An optional key-value pair to label an LlmResponse.
     * NOTE: the entire dict must be JSON serializable.
     */
    customMetadata?: Record<string, any>;
}
/**
 * LLM response class that provides the first candidate response from the model
 * if available. Otherwise, returns error code and message.
 */
export declare class LlmResponse {
    /**
     * The content of the response.
     */
    content?: Content;
    /**
     * The grounding metadata of the response.
     */
    groundingMetadata?: GroundingMetadata;
    /**
     * Indicates whether the text content is part of an unfinished text stream.
     * Only used for streaming mode and when the content is plain text.
     */
    partial?: boolean;
    /**
     * Indicates whether the response from the model is complete.
     * Only used for streaming mode.
     */
    turnComplete?: boolean;
    /**
     * Error code if the response is an error. Code varies by model.
     */
    errorCode?: string;
    /**
     * Error message if the response is an error.
     */
    errorMessage?: string;
    /**
     * Flag indicating that LLM was interrupted when generating the content.
     * Usually it's due to user interruption during a bidi streaming.
     */
    interrupted?: boolean;
    /**
     * The custom metadata of the LlmResponse.
     * An optional key-value pair to label an LlmResponse.
     * NOTE: the entire dict must be JSON serializable.
     */
    customMetadata?: Record<string, any>;
    /**
     * Creates a new LlmResponse instance.
     * @param options Configuration options for the response
     */
    constructor(options?: LlmResponseOptions);
    /**
     * Creates an LlmResponse from a GenerateContentResponse.
     * @param generateContentResponse The GenerateContentResponse to create the LlmResponse from.
     * @returns The LlmResponse.
     */
    static create(generateContentResponse: GenerateContentResponse): LlmResponse;
    /**
     * Checks if this response has an error.
     * @returns True if this response has an error, false otherwise.
     */
    hasError(): boolean;
    /**
     * Gets the text content of this response, if available.
     * @returns The text content as a string, or undefined if not available.
     */
    getText(): string | undefined;
    /**
     * Creates a copy of this LlmResponse with the given partial flag.
     * @param partial The partial flag value.
     * @returns A new LlmResponse with the updated partial flag.
     */
    withPartial(partial: boolean): LlmResponse;
    /**
     * Creates a copy of this LlmResponse with the given turn complete flag.
     * @param turnComplete The turn complete flag value.
     * @returns A new LlmResponse with the updated turn complete flag.
     */
    withTurnComplete(turnComplete: boolean): LlmResponse;
    /**
     * Creates a copy of this LlmResponse with the given interrupted flag.
     * @param interrupted The interrupted flag value.
     * @returns A new LlmResponse with the updated interrupted flag.
     */
    withInterrupted(interrupted: boolean): LlmResponse;
    /**
     * Creates a copy of this LlmResponse with the given custom metadata.
     * @param customMetadata The custom metadata.
     * @returns A new LlmResponse with the updated custom metadata.
     */
    withCustomMetadata(customMetadata: Record<string, any>): LlmResponse;
}