import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
export declare class UpperCaseTextDirective {
    private ref;
    allowUpperCase: boolean;
    constructor(ref: ElementRef);
    toUpperCase(value: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<UpperCaseTextDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<UpperCaseTextDirective, "[UpperCase]", never, { "allowUpperCase": "UpperCase"; }, {}, never, never, false>;
}