/**
 * RSC handler registry for managing per-project handlers
 *
 * Supports optional cache injection for testing.
 *
 * @module rsc-endpoints/handler-registry
 */
import { RSCDevServerHandler } from "../orchestrators/index.js";
import { type RSCServerHandlerOptions } from "../orchestrators/handler.js";
/**
 * Handler cache interface for dependency injection.
 * Simplified interface that matches LRUCache's essential methods.
 */
export interface HandlerCache<T> {
    get(key: string): T | undefined;
    set(key: string, value: T): void;
    delete(key: string): boolean;
    clear(): void;
    readonly size: number;
}
export declare function getRSCHandler(projectDir: string, projectId?: string, options?: RSCServerHandlerOptions): RSCDevServerHandler;
export declare function invalidateRSCHandlersForProject(projectDir: string, projectId?: string): void;
export declare function __injectCacheForTests(cache: HandlerCache<RSCDevServerHandler> | null): void;
export declare function __resetRSCHandlerForTests(): void;
export declare function __destroyRSCHandlerForTests(): void;
export declare function __getTrackedRSCHandlerKeyCountForTests(): number;
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