export declare const INVALID_AMOUNT_MESSAGE = "Amount is invalid.";
export declare const INVALID_SCALE_MESSAGE = "Scale is invalid.";
export declare const INVALID_RATIOS_MESSAGE = "Ratios are invalid.";
export declare const UNEQUAL_SCALES_MESSAGE = "Objects must have the same scale.";
export declare const UNEQUAL_CURRENCIES_MESSAGE = "Objects must have the same currency.";