/**
 * Client-side hydration and runtime directive binding.
 *
 * @packageDocumentation
 */
import { Directive } from '../types.js';
/**
 * Registry of directives by name.
 */
export type DirectiveRegistry = Map<string, Directive<any>>;
export type { ServiceRegistry } from '../resolver-config.js';
/**
 * Register a directive in the registry.
 *
 * @remarks
 * If called after hydration, scans the DOM for any elements using
 * this directive and processes them immediately.
 *
 * @param registry - The directive registry
 * @param name - Directive name (without g- prefix)
 * @param fn - The directive function
 */
export declare function registerDirective(registry: DirectiveRegistry, name: string, fn: Directive): void;
/**
 * Register a service for dependency injection.
 *
 * @param name - Service name (used in $inject arrays)
 * @param service - The service instance
 */
export declare function registerService(name: string, service: unknown): void;
/**
 * Initialize the client-side framework.
 *
 * @remarks
 * Processes all existing elements with directive attributes, then
 * sets up a MutationObserver to handle dynamically added elements.
 * Works for both SSR hydration and pure client-side rendering.
 *
 * @param registry - The directive registry
 */
export declare function hydrate(root?: Element | Document, registry?: DirectiveRegistry): Promise<void>;
/**
 * Reset hydration state for testing.
 *
 * @remarks
 * Clears cached selector, disconnects observer, and resets initialized flag.
 * Primarily useful for testing.
 */
export declare function resetHydration(): void;