import * as Effect from "effect/Effect";
import * as Option from "effect/Option";
import * as Path from "effect/Path";
import { type AbsolutePath } from "./path-types.js";
/**
 * Validates that a resolved target path stays within a base directory.
 * Uses path separator boundary check to prevent prefix false positives.
 */
export declare const isPathSafe: (path: Path.Path, base: string, target: string) => boolean;
/**
 * Resolve `target` and return it only when it stays inside `base`.
 */
export declare const safeChildPath: (base: AbsolutePath, target: string) => Effect.Effect<Option.Option<AbsolutePath>, never, Path.Path>;
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