/**
 * A function that takes a value and the path to it within the parent object,
 * and either transforms it or leaves it alone.
 */
export type Sanitizer = (path: string[], value: string) => {
    applied: boolean;
    sanitized?: string;
};
/**
 * Properties for 'SafeReviver'.
 */
export interface SafeReviverProps {
    readonly allowlistedKeys?: string[];
    readonly sanitizers?: Array<Sanitizer>;
}
/**
 * JSON/YAML reviver that:
 *
 * - Throws when an illegal key is detected.
 * - Replaces illegal values with a special marker.
 */
export declare class SafeReviver {
    static readonly LEGAL_CHARS: RegExp;
    static readonly LEGAL_CHARS_IN_ENUM: RegExp;
    static readonly STRIPPED_VALUE = "__stripped_by_cdk8s__";
    static readonly DESCRIPTION_SANITIZER: Sanitizer;
    static readonly LEGAL_CHAR_SANITIZER: Sanitizer;
    private readonly allowlistedKeys;
    private readonly sanitizers;
    constructor(props?: SafeReviverProps);
    sanitizeValue(path: string[], value: string): string | undefined;
    /**
     * Sanitizes a JSON object in-place.
     */
    sanitize(obj: any): void;
    private _sanitizeObj;
}