import type { Dirent, Stats } from "node:fs";
import { type SkillIndexEntry } from "@mono-agent/agent-harness";
import type { TuiSkillRegistry } from "@mono-agent/operator-adapter";
export declare const SKILL_REGISTRY_REFRESH_MS = 5000;
export declare const MAX_SKILL_REGISTRY_ITEMS = 256;
export declare const MAX_SKILL_DESCRIPTION_BYTES = 256;
export declare const MAX_SKILL_REGISTRY_BYTES: number;
type SkillIndexLoader = (root: string) => Promise<readonly SkillIndexEntry[]>;
type SkillRegistrySignatureReader = (root: string) => Promise<string>;
export interface SkillRegistryLogger {
    warn?(message: string, metadata?: Record<string, unknown>): void;
}
export interface CreateSkillRegistryMonitorOptions {
    readonly skillsRoot?: string;
    readonly selectedSkills: readonly string[];
    readonly skillDisclosure?: "index" | "full";
    readonly disallowedTools: readonly string[];
    readonly logger?: SkillRegistryLogger;
    /** Test seam for observing authoritative loader calls. */
    readonly loadIndex?: SkillIndexLoader;
    /** Test seam for deterministic filesystem invalidation. */
    readonly readSignature?: SkillRegistrySignatureReader;
    readonly refreshMs?: number;
}
export interface SkillRegistryMonitor {
    /** Loads the first knowable snapshot before the operator server is exposed. */
    prime(): Promise<void>;
    /** Returns the latest atomic snapshot without doing filesystem work. */
    snapshot(): TuiSkillRegistry;
    /** Revalidates immediately; duplicate calls share one in-flight refresh. */
    refresh(): Promise<void>;
    start(): void;
    stop(): void;
}
export declare function isReadSkillDenied(disallowedTools: readonly string[]): boolean;
export declare function createSkillRegistryMonitor(options: CreateSkillRegistryMonitorOptions): SkillRegistryMonitor;
export declare function buildSkillRegistry(entries: readonly SkillIndexEntry[], options: {
    readonly selectedSkills: readonly string[];
    readonly skillDisclosure?: "index" | "full";
    readonly readSkillDenied: boolean;
}): TuiSkillRegistry;
export declare function readSkillRegistrySignature(skillsRoot: string, dependencies?: {
    readonly readdir?: (path: string, options: {
        withFileTypes: true;
    }) => Promise<Dirent[]>;
    readonly stat?: (path: string) => Promise<Stats>;
}): Promise<string>;
export {};
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