/**
 * Leaper Agent – Path Security
 * Path traversal prevention and sandbox boundary enforcement.
 */
export interface PathValidationResult {
    allowed: boolean;
    resolved: string;
    reason?: string;
}
export declare function hasTraversalComponent(filePath: string): boolean;
export declare function validateWithinDir(filePath: string, root: string): PathValidationResult;
export declare function sanitizePath(filePath: string, root: string): string | null;
export declare function assertWithinDir(filePath: string, root: string): string;
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