/**
 * Per-harness hook type catalog.
 *
 * Lists the hook types each harness natively supports. Used by
 * `amux hooks <agent> discover` and to validate `add` / `set` operations.
 *
 * The catalog is conservative: it reflects documented, stable hook names
 * at the time of writing. Unknown hook types are still accepted (marked
 * "custom") so plugin adapters can register their own.
 */
import type { AgentName } from './types.js';
export interface HookTypeEntry {
    name: string;
    description: string;
    /** Direction of the hook: 'pre' blocks/modifies, 'post' observes. */
    direction: 'pre' | 'post' | 'event';
}
export declare const HOOK_CATALOG: Record<string, HookTypeEntry[]>;
export declare function getHookCatalog(agent: AgentName | string): HookTypeEntry[];
export declare function isKnownHookType(agent: AgentName | string, hookType: string): boolean;