import { VerticalTextAlignment } from '@nativescript-community/text';
import { Color, TextView as NSTextView } from '@nativescript/core';
export declare abstract class TextViewBase extends NSTextView {
    abstract requestFocus(): any;
    abstract clearFocus(): any;
    helper: string;
    helperColor: Color;
    counterMaxLength: number;
    errorColor: Color;
    floating: boolean;
    placeholderColor: Color;
    variant: 'outline' | 'underline' | 'filled' | 'none';
    error: string;
    strokeColor: Color;
    strokeInactiveColor: Color;
    strokeDisabledColor: Color;
    floatingColor: Color;
    floatingInactiveColor: Color;
    buttonColor: Color;
    verticalTextAlignment: VerticalTextAlignment;
}