import type { BacklogTicket, LoopConfig } from './types.js';
import type { Logger } from './logger.js';
export interface GuardResult {
    passed: boolean;
    failedGuard?: 'typecheck' | 'tests' | 'substantiveness' | 'diff_scope';
}
export interface DiffScopeResult {
    inScope: boolean;
    outOfScopeFiles: string[];
}
/**
 * Check if the diff since preSha is within the ticket's module scope.
 * A file is in scope if it matches a module path, is under a module directory,
 * or is a test file for an in-scope module.
 */
export declare function isDiffInScope(preSha: string, modules: string[], cwd: string): DiffScopeResult;
/**
 * Run post-ticket guards: typecheck + tests.
 * If either fails, auto-revert to preSha.
 *
 * @returns Guard result with pass/fail status
 */
export declare function runGuards(preSha: string, config: LoopConfig, cwd: string, log: Logger, ticket?: BacklogTicket): GuardResult;
/**
 * Check if changes since preSha are substantive (not just comments/whitespace).
 * Uses `git diff --stat` to count insertions/deletions, then checks
 * if the non-comment/non-whitespace diff is meaningful.
 */
export declare function isSubstantive(preSha: string, cwd: string): boolean;
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