import { ElementRef, OnChanges, QueryList, SimpleChanges } from '@angular/core';
import { ControlValueAccessor, FormArray, FormBuilder, FormControl } from '@angular/forms';
import { NzDestroyService } from 'ng-zorro-antd/core/services';
import { NzSizeLDSType, NzStatus, OnTouchedType } from 'ng-zorro-antd/core/types';
import * as i0 from "@angular/core";
export declare class NzInputOtpComponent implements ControlValueAccessor, OnChanges {
    private readonly formBuilder;
    private readonly nzDestroyService;
    otpInputs: QueryList<ElementRef>;
    nzLength: number;
    nzSize: NzSizeLDSType;
    disabled: boolean;
    nzStatus: NzStatus;
    nzFormatter: (value: string) => string;
    nzMask: string | null;
    protected otpArray: FormArray<FormControl<string>>;
    private internalValue;
    private onChangeCallback?;
    onTouched: OnTouchedType;
    constructor(formBuilder: FormBuilder, nzDestroyService: NzDestroyService);
    ngOnChanges(changes: SimpleChanges): void;
    onInput(index: number, event: Event): void;
    onFocus(event: FocusEvent): void;
    onKeyDown(index: number, event: KeyboardEvent): void;
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => {}): void;
    setDisabledState(isDisabled: boolean): void;
    onPaste(index: number, event: ClipboardEvent): void;
    private createFormArray;
    private emitValue;
    private selectInputBox;
    static ɵfac: i0.ɵɵFactoryDeclaration<NzInputOtpComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NzInputOtpComponent, "nz-input-otp", ["nzInputOtp"], { "nzLength": { "alias": "nzLength"; "required": false; }; "nzSize": { "alias": "nzSize"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "nzStatus": { "alias": "nzStatus"; "required": false; }; "nzFormatter": { "alias": "nzFormatter"; "required": false; }; "nzMask": { "alias": "nzMask"; "required": false; }; }, {}, never, never, true, never>;
    static ngAcceptInputType_nzLength: unknown;
    static ngAcceptInputType_disabled: unknown;
}