import { VirtualApi } from "@adobe/uix-core";
import { GenerationContext, AdditionalContext } from "../types/generationContext/GenerationContext";
export interface PromptExtensionApi extends VirtualApi {
    api: {
        promptExtension: {
            open: (extensionId: string) => void;
            close: () => void;
            getGenerationContext: () => Promise<GenerationContext>;
            updateAdditionalContext: (additionalContext: AdditionalContext<any>) => void;
        };
    };
}
export declare class PromptExtensionServiceError extends Error {
    constructor(message: string);
}
/**
 * Manages prompt extension functionality
 */
export declare class PromptExtensionService {
    /**
     * Opens the prompt extension
     * @param connection - The guest connection to the host
     * @param extensionId - The ID of the extension to open
     * @throws Error if connection is missing
     */
    static open(connection: any, extensionId: string): void;
    /**
     * Closes the prompt extension
     * @param connection - The guest connection to the host
     * @throws Error if connection is missing
     */
    static close(connection: any): void;
    /**
     * Gets the generation context from the prompt extension
     * @param connection - The guest connection to the host
     * @returns Promise<GenerationContext> The generation context
     * @throws Error if connection is missing
     */
    static getGenerationContext(connection: any): Promise<GenerationContext>;
    /**
     * Updates the additional context in the prompt extension
     * @param connection - The guest connection to the host
     * @param context - The additional context to update
     * @throws Error if connection is missing
     */
    static updateAdditionalContext(connection: any, context: AdditionalContext<any>): void;
}