import { Observable } from 'rxjs';
import { DynamicField } from './dynamic-field';
import { FormatOptions } from 'mathjs';
export declare class MeasureField<T = any> extends DynamicField<T> {
    controlType?: string;
    modelUnit: string;
    viewUnit?: string | Observable<string>;
    availableUnits?: string[] | Observable<string[]>;
    formatOptions?: FormatOptions;
    changedUnitHandler?: (unit: string) => void;
    constructor(options: MeasureField<T>);
}