import * as t from 'io-ts';
import { IExtension } from './RTTI_Extension';
import { IQuantity } from './RTTI_Quantity';
export interface IRatio {
    id?: string;
    extension?: IExtension[];
    numerator?: IQuantity;
    denominator?: IQuantity;
}
export declare const RTTI_Ratio: t.Type<IRatio>;