import { SrcOptions } from "../interfaces";
declare const _default: {
    addAsQueryParameter: (options: SrcOptions) => boolean;
    getTransformKey: (transform: string) => string;
    getChainTransformDelimiter: () => string;
    getTransformDelimiter: () => string;
    getTransformKeyValueDelimiter: () => string;
};
export default _default;
export declare const safeBtoa: (str: string) => string;