import { OnInit } from '@angular/core';
import { FormControl } from '@angular/forms';
import { MatFormFieldAppearance } from '@angular/material/form-field';
export declare class NumberFieldComponent implements OnInit {
    disabled: boolean;
    placeholder: string;
    required: boolean;
    hint: string;
    prefix: string;
    suffix: string;
    step: number;
    formControl: FormControl;
    private _value;
    private _appearance;
    constructor();
    set appearance(appearance: MatFormFieldAppearance);
    get appearance(): MatFormFieldAppearance;
    onChange: (value: number) => void;
    onTouched: () => void;
    ngOnInit(): void;
    writeValue(value: number): void;
    registerOnChange(fn: () => void): void;
    registerOnTouched(fn: () => void): void;
    setDisabledState(isDisabled: boolean): void;
}
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