import { ElementRef } from '@angular/core';
import { Keys } from './hooks/use-pin-input';
import { PlatformService } from '../../../services/platform.service';
import * as i0 from "@angular/core";
export declare const PIN_MIN_COUNT = 2;
/**
 * Renders a set of input fields for entering pin codes with a virtual keypad for value entry and deletion.
 */
export declare class PinInputComponent {
    protected platformService: PlatformService;
    private pinInputService;
    private elementRef;
    /** Text label displayed above the pin input cells. */
    label: import("@angular/core").InputSignal<string>;
    /** The number of pin input fields to display, with a minimum of 2. */
    pinCount: import("@angular/core").InputSignal<number>;
    /** The initial pin values to populate the input fields with. */
    initialValue: import("@angular/core").InputSignal<number[]>;
    /** Enable debug mode to show platform information */
    debug: import("@angular/core").InputSignal<boolean>;
    /** Callback function triggered when the pin values change. */
    valueChange: import("@angular/core").OutputEmitterRef<number[]>;
    cellRef: ElementRef | undefined;
    protected readonly Keys: typeof Keys;
    protected platformChangeCount: import("@angular/core").WritableSignal<number>;
    protected isIOS: import("@angular/core").WritableSignal<boolean>;
    private normalizedPinCount;
    private controller;
    constructor();
    protected value: import("@angular/core").Signal<number[]>;
    protected cells: import("@angular/core").Signal<any[]>;
    protected buttonRows: import("@angular/core").Signal<(number | Keys)[][]>;
    protected trackByIndex(index: number): number;
    protected trackByRow(index: number, row: any[]): string;
    protected trackByElement(index: number, element: any): any;
    protected handleClickValue(value: number): void;
    protected handleClickBackspace(): void;
    protected handleButton(index: number, key: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<PinInputComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<PinInputComponent, "tgui-pin-input", never, { "label": { "alias": "label"; "required": false; "isSignal": true; }; "pinCount": { "alias": "pinCount"; "required": false; "isSignal": true; }; "initialValue": { "alias": "initialValue"; "required": false; "isSignal": true; }; "debug": { "alias": "debug"; "required": false; "isSignal": true; }; }, { "valueChange": "valueChange"; }, never, never, true, never>;
}