/**
 * Server Registry - tracks dev servers registered with the gateway
 *
 * Identity model:
 *   Project = directory path (persistent scope)
 *   Server  = PID string (ephemeral instance, belongs to a project)
 *   Browser = random uid (belongs to a server instance)
 */
/** Stable project short ID: basename-hash4 (e.g. "nextjs-turbopack-a3f7") */
export declare function makeProjectId(directory: string): string;
export interface RegisteredServer {
    id: string;
    projectId: string;
    directory: string;
    type: 'vite' | 'nextjs' | 'storybook' | 'generic';
    port: number;
    pid: number;
    name?: string;
    rpcEndpoint?: string;
    mcpEndpoint?: string;
    logPaths: Record<string, string>;
    logDir: string;
    registeredAt: number;
}
/** Server instance ID = PID (always available, always correct) */
export declare function makeServerId(pid: number): string;
/** Create per-project log directory and return channel file paths */
export declare function initProjectLogDir(directory: string, channels?: string[]): {
    logDir: string;
    logPaths: Record<string, string>;
};
export declare class ServerRegistry {
    private servers;
    private directoryIndex;
    private projectIdIndex;
    private connectionOrder;
    add(server: RegisteredServer): void;
    remove(id: string): void;
    get(id: string): RegisteredServer | undefined;
    getByDirectory(directory: string): RegisteredServer | undefined;
    getByProjectId(projectId: string): RegisteredServer | undefined;
    getAll(): RegisteredServer[];
    getByType(type: RegisteredServer['type']): RegisteredServer[];
    getByPort(port: number): RegisteredServer | undefined;
    getLatest(): RegisteredServer | undefined;
    has(id: string): boolean;
    size(): number;
    /** List all registered project directories */
    directories(): string[];
    /**
     * Remove servers whose processes are no longer running.
     * Skips servers registered within the last 30s (grace period for process forks).
     */
    cleanupDeadServers(): string[];
}
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