import { StringOrNumber } from '../types';
import { SnackbarMessage, VariantType } from 'notistack';
export declare const encodeString: (string: string) => string;
export declare const getUrlencodedBody: (body: Record<string, StringOrNumber>) => string;
export declare const showSnackbar: ({ variant, message, }: {
    variant: VariantType;
    message: SnackbarMessage;
}) => void;
export declare const copyInformation: <T>(json: T) => Promise<boolean>;
export declare const getUniqueKey: () => string;
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