import { SurfaceModel, ActionListener } from '../state/surface-model.js';
import { Catalog, ComponentApi } from '../catalog/types.js';
import { SurfaceGroupModel } from '../state/surface-group-model.js';
import { Subscription } from '../common/events.js';
import { A2uiMessage, A2uiMessageListWrapper } from '../schema/server-to-client.js';
import { A2uiClientCapabilities } from '../schema/client-capabilities.js';
import { A2uiClientDataModel } from '../schema/client-to-server.js';
/**
 * Options for generating client capabilities.
 */
export interface CapabilitiesOptions {
    /** If true, the full definition of all catalogs will be included. */
    includeInlineCatalogs?: boolean;
}
/**
 * The central processor for A2UI messages.
 * @template T The concrete type of the ComponentApi.
 */
export declare class MessageProcessor<T extends ComponentApi> {
    private catalogs;
    private actionHandler?;
    readonly model: SurfaceGroupModel<T>;
    /**
     * Creates a new message processor.
     *
     * @param catalogs A list of available catalogs.
     * @param actionHandler A global handler for actions from all surfaces.
     */
    constructor(catalogs: Catalog<T>[], actionHandler?: ActionListener | undefined);
    /**
     * Generates the a2uiClientCapabilities object for the current processor.
     *
     * @param options Configuration for capability generation.
     * @returns The capabilities object.
     */
    getClientCapabilities(options?: CapabilitiesOptions): A2uiClientCapabilities;
    private generateInlineCatalog;
    private processRefs;
    /**
     * Returns the aggregated data model for all surfaces that have 'sendDataModel' enabled.
     */
    getClientDataModel(): A2uiClientDataModel | undefined;
    /**
     * Subscribes to surface creation events.
     */
    onSurfaceCreated(handler: (surface: SurfaceModel<T>) => void): Subscription;
    /**
     * Subscribes to surface deletion events.
     */
    onSurfaceDeleted(handler: (id: string) => void): Subscription;
    /**
     * Processes a list of messages or a messages wrapper.
     *
     * @param messages The messages or messages wrapper to process.
     */
    processMessages(messages: A2uiMessage[] | A2uiMessageListWrapper): void;
    private processMessage;
    private processCreateSurfaceMessage;
    private processDeleteSurfaceMessage;
    private processUpdateComponentsMessage;
    private processUpdateDataModelMessage;
    /**
     * Resolves a relative path against a context path.
     *
     * @param path The path to resolve.
     * @param contextPath The base path (optional).
     */
    resolvePath(path: string, contextPath?: string): string;
}
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