import { ElementRef, Injector, OnInit } from '@angular/core';
import { FormControl, ValidationErrors } from '@angular/forms';
import { SimplePropertySchemaFieldLoaderComponent } from '../../../schema/schema-field-host.component';
import { SmeInternalFormFieldComponent } from '../form-field.component';
import * as i0 from "@angular/core";
export declare class NumberFormFieldLoaderComponent extends SimplePropertySchemaFieldLoaderComponent {
    static ɵfac: i0.ɵɵFactoryDeclaration<NumberFormFieldLoaderComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NumberFormFieldLoaderComponent, "ng-component", never, {}, {}, never, never, false, never>;
}
/**
 * Accessible number field implementation
 */
export declare class NumberFormFieldComponent extends SmeInternalFormFieldComponent<number> implements OnInit {
    /**
     * The source name to use for logging
     */
    protected get logSourceName(): string;
    /**
     * The input from number form field
     */
    input: ElementRef;
    /**
     * The container for the input box and spin buttons
     */
    container: ElementRef;
    /**
     * The increment button UI element
     */
    incrementButton: ElementRef;
    /**
     * The decrement button UI element
     */
    decrementButton: ElementRef;
    /**
     * It determine whether to show the spin button.
     */
    showSpinButton: boolean;
    /**
     * The size of each movement of the slider.
     */
    step: number;
    /**
     * The size of each increment/decrement value of the slider.
     */
    incrementBy: number;
    /**
     * The minimum value of the slider
     */
    min: number;
    /**
     * The maximum value of the slider
     */
    max: number;
    /**
     * Initializes a new instance of the SliderFormFieldComponent
     */
    constructor(injector: Injector);
    ngOnInit(): void;
    /**
     * Getter aria label increase for spin button increase.
     */
    get ariaLabelIncrease(): string;
    /**
     * Getter aria label increase for spin button decrease.
     */
    get ariaLabelDecrease(): string;
    /**
     * Handle keydown events on the number input
     */
    onInputKeydown($event: KeyboardEvent): void;
    /**
     * Increments the controls value by 1 "step"
     */
    increment(): void;
    /**
     * Decrements the controls value by 1 "step"
     */
    decrement(): void;
    /**
     * The functionality to focus on the input field
     */
    onInputFocus($event: any): void;
    /**
     * The functionality to focus out on the input field
     *
     * @param $event the focus event object
     */
    onInputFocusOut($event: any): void;
    /**
     * Creates the idBag used by this component to store unique element ids.
     * id values will be assigned be the @see BaseComponent super class.
     */
    protected createIdBag(): MsftSme.StringMap<string>;
    /**
     * Determines the value to use when clearing the field based on the initial value type
     */
    protected getClearValue(): number;
    /**
     * Performs validation that is internal to this control
     * @param c The form control attached to this instance
     */
    protected validate(c: FormControl): ValidationErrors;
    /**
     * Gets the remainder of a division operation by converting any decimals to integers first
     * @param value The number to be divided
     * @param divisor The dividing number
     */
    protected getSafeRemainder(value: number, divisor: number): number;
    /**
     * It toggles the focus state for passed in UI element
     *
     * @param element the element for focusing
     * @param addClass it determines whether to add or remove class state
     * @returns void
     */
    protected toggleFocusEvent(element: ElementRef, addClass?: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NumberFormFieldComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NumberFormFieldComponent, "sme-form-field[type=\"number\"]", never, { "showSpinButton": "showSpinButton"; "step": "step"; "incrementBy": "incrementBy"; "min": "min"; "max": "max"; }, {}, never, never, false, never>;
}