export interface CurrencyOptions {
    symbol?: string;
    require_symbol?: boolean;
    allow_space_after_symbol?: boolean;
    symbol_after_digits?: boolean;
    allow_negatives?: boolean;
    parens_for_negatives?: boolean;
    negative_sign_before_digits?: boolean;
    negative_sign_after_digits?: boolean;
    allow_negative_sign_placeholder?: boolean;
    thousands_separator?: string;
    decimal_separator?: string;
    allow_space_after_digits?: boolean;
}