import { type BlockerOpts } from './path-blocker.js';
import type { BlockDecision, HookEnvelope } from './protocol.js';
/**
 * Decide whether a PreToolUse event should be blocked. Pure function; the
 * bin entrypoint wraps this with stdin/stdout handling.
 */
export declare function decidePreToolUse(env: HookEnvelope, opts?: BlockerOpts): BlockDecision | null;
//# sourceMappingURL=pre-tool-use.d.ts.map