import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { AutoFocusDirective } from '../auto-focus/auto-focus.directive';
import { InputLabelComponent } from '../input-label/input-label.component';
import { TextFieldComponent } from '../text-field/text-field.component';
import * as i0 from "@angular/core";
export declare class NumberFieldComponent extends InputLabelComponent implements OnChanges {
    disabled: boolean;
    readonly: boolean;
    placeholder: string;
    maximumFractionDigits: number;
    minimumFractionDigits: number;
    min: number;
    max: number;
    align: NumberFieldComponent.Alignment;
    size: TextFieldComponent.Size;
    autoFocus: AutoFocusDirective.AutoAction;
    name?: string;
    private _value;
    set value(v: number | null);
    private setText;
    ngOnChanges(changes: SimpleChanges): void;
    valueChange: EventEmitter<number | null>;
    blur: EventEmitter<number | null>;
    protected _text: string;
    set text(t: string);
    get text(): string;
    inputBlur(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NumberFieldComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NumberFieldComponent, "riv-number-field", never, { "disabled": "disabled"; "readonly": "readonly"; "placeholder": "placeholder"; "maximumFractionDigits": "maximumFractionDigits"; "minimumFractionDigits": "minimumFractionDigits"; "min": "min"; "max": "max"; "align": "align"; "size": "size"; "autoFocus": "autoFocus"; "name": "name"; "value": "value"; }, { "valueChange": "valueChange"; "blur": "blur"; }, never, never, false, never>;
}
export declare namespace NumberFieldComponent {
    const Alignments: readonly ["left", "center", "right"];
    type Alignment = (typeof Alignments)[number];
    function clean(v: string | null, maximumFractionDigits: number, min: number, max: number): number | null;
    function format(v: string | null, minimumFractionDigits: number, maximumFractionDigits: number, min: number, max: number): string;
}