import { ChatContextItem } from './types';
declare global {
    interface Window {
        [key: string]: any;
    }
}
export interface PageContextRegistration {
    id: string;
    urlPattern: string | RegExp;
    context: ChatContextItem[];
}
/**
 * Registers context items for specific pages based on URL patterns.
 * Returns a setter function to update the context dynamically, similar to useState.
 *
 * Multiple registrations with the same URL pattern are allowed and will all be merged
 * when the pattern matches. Each call creates a new independent registration.
 *
 * @param urlPattern - URL pattern (string or RegExp) to match against page URLs
 * @param initialContext - *Initial* array of ContextItems to provide when the pattern matches. IMPORTANT: will be overwritten when setContext is used to update the context.
 * @returns A setter function to update the context, with an unregister method attached
 */
export declare function providePageContext(urlPattern: string | RegExp, initialContext: ChatContextItem[]): ((context: ChatContextItem[]) => void) & {
    unregister: () => void;
};
/**
 * React hook for providing page context that automatically cleans up on unmount.
 * This is the recommended way to use page context in React components.
 *
 * @param urlPattern - URL pattern (string or RegExp) to match against page URLs
 * @param initialContext - Initial array of ContextItems to provide when the pattern matches. IMPORTANT: will be overwritten when setContext is used to update the context.
 * @returns A setter function to update the context
 */
export declare function useProvidePageContext(urlPattern: string | RegExp, initialContext?: ChatContextItem[]): (context: ChatContextItem[]) => void;
export declare function usePageContext(options?: {
    allowQuestions: boolean;
    allowComponents: boolean;
}): ChatContextItem[];
export declare function generateRegistrationId(prefix?: string): string;
/**
 * Test utility function to clear all registrations from the registry.
 * This should only be used in tests to ensure a clean slate between test runs.
 *
 * @internal This is for testing purposes only
 */
export declare function __clearPageContextRegistryForTesting(): void;
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