import type { HookInput, GuardResult } from '../../core/index.js';
/**
 * Hazard guard: fires on Edit|Write (PreToolUse).
 * Warns about known issues in the file area being edited.
 * Writes state to disk so warnings survive context compaction.
 */
export declare function hazardGuard(input: HookInput, cwd: string): Promise<GuardResult>;
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