export type JSON = string | number | boolean | null | JSON[] | {
    [key: string]: JSON;
};
export interface JSONObject {
    [key: string]: JSON;
}
export declare const isJSON: (obj: unknown) => obj is JSON;
/**
 * Validates an unknown object is a JSON Object.
 *
 * @internal
 */
export declare const isJSONObject: (obj: unknown) => obj is JSONObject;
/**
 * Camelizes a string.
 *
 * @param str - The string to camelize
 * @returns The camelized string
 *
 * @internal
 */
export declare const camelize: (str: string) => string;
/**
 * Camelizes keys of an object (deeply).
 *
 * @param obj - The object
 * @param ignoreKeys - The keys to ignore
 * @returns The object with camelized keys
 *
 * @internal
 */
export declare const camelizeKeys: <T>(obj: object | unknown[] | unknown, ignoreKeys?: string[]) => T;