/**
 * Shared file-walking / offset helpers used by every guard in this
 * directory. Ported (behavior-for-behavior) from the identical helpers
 * duplicated across `scripts/guard-*.mjs` — see each guard file for the
 * specific `scripts/guard-<name>.mjs` it was derived from.
 *
 * The original scripts walk directories with `fs/promises` async
 * generators. Guard functions here are synchronous pure functions (per the
 * plan's `scan<Name>(options): GuardResult` contract), so this module uses
 * `fs.readdirSync` instead — same skip-dir semantics, no behavior change.
 */
/** Directories skipped by every guard's repo/app walk. */
export declare const DEFAULT_SKIP_DIRS: Set<string>;
/** Recursively walk `dir`, yielding absolute file paths. Skips any
 * directory whose basename is in `skipDirs`. */
export declare function walk(dir: string, skipDirs?: Set<string>): Generator<string>;
export declare function lineColForOffset(contents: string, offset: number): {
    line: number;
    col: number;
};
export declare function isCommentLine(lineText: string): boolean;
export declare function relPosix(root: string, file: string): string;
export declare function readFileSafe(file: string): string | null;
/** True if `rel` matches an exact-path entry in `extraExemptPaths`
 * (posix-relative, exact string match — the same shape the exempt-path
 * sets used in the original monorepo guards). */
export declare function isExtraExempt(rel: string, extraExemptPaths: string[] | undefined): boolean;
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