import { CheckContext } from '../engine';
interface FileChange {
    filename: string;
    status: string;
    patch?: string;
    additions: number;
    deletions: number;
}
export interface BehaviorChangeResult {
    detected: boolean;
    affectedFiles: string[];
    reason?: string;
}
/**
 * Detect behavior-changing code modifications
 *
 * Heuristics:
 * - Changes to logic files (not just tests, docs, or config)
 * - Changes involving control flow (if, switch, loops)
 * - Changes to function signatures or return values
 * - Changes to validation/business rules
 */
export declare function detectBehaviorChange(files: FileChange[], _context: CheckContext): Promise<BehaviorChangeResult>;
export {};
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