/**
 * Extension loader - loads TypeScript extension modules using jiti.
 *
 */
import { type EventBus } from "../event-bus.ts";
import type { Extension, ExtensionRuntime, LoadExtensionsResult } from "./types.ts";
export { createExtensionRuntime, loadExtensionFromFactory } from "./factory-runtime.ts";
export { disposeExtensionEventSubscriptions } from "./lifecycle.ts";
export declare function loadExtension(extensionPath: string, cwd: string, eventBus: EventBus, runtime: ExtensionRuntime, opts?: {
    fresh?: boolean;
    factoryTimeoutMs?: number;
    moduleTimeoutMs?: number;
    agentDir?: string;
}): Promise<{
    extension: Extension | null;
    error: string | null;
}>;
/**
 * Load extensions from paths.
 */
export declare function loadExtensions(paths: Array<string | ExtensionLoadSpec>, cwd: string, eventBus?: EventBus, options?: {
    agentDir?: string;
}): Promise<LoadExtensionsResult>;
interface LazyToolManifest {
    name?: unknown;
    label?: unknown;
    description?: unknown;
    parameters?: unknown;
    promptSnippet?: unknown;
    promptGuidelines?: unknown;
    executionMode?: unknown;
    /** Optional extension entry this tool belongs to when a package declares multiple entries. */
    extension?: unknown;
}
interface ExtensionLoadSpec {
    path: string;
    lazyTools?: LazyToolManifest[];
}
/**
 * Discover and load extensions from standard locations.
 */
export declare function discoverAndLoadExtensions(configuredPaths: string[], cwd: string, agentDir?: string, eventBus?: EventBus): Promise<LoadExtensionsResult>;
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