/** Autogenerated by public2business schematic. DO NOT CHANGE! */
import { AfterContentChecked, AfterContentInit, ChangeDetectorRef, ElementRef, InjectionToken, OnDestroy, QueryList } from '@angular/core';
import { NgControl } from '@angular/forms';
import { SbbFormFieldControl } from '@sbb-esta/angular-core/forms';
import { SbbError } from './error';
import { SbbLabel } from './label';
/**
 * Injection token that can be used to inject an instances of `SbbFormField`. It serves
 * as alternative token to the actual `SbbFormField` class which would cause unnecessary
 * retention of the `SbbFormField` class and its component metadata.
 */
export declare const SBB_FORM_FIELD: InjectionToken<SbbFormField>;
export declare class SbbFormField implements AfterContentInit, AfterContentChecked, OnDestroy {
    _elementRef: ElementRef<HTMLElement>;
    private _changeDetectorRef;
    /** The label text for the input. */
    label?: string;
    private _destroyed;
    readonly _labelId: string;
    _controlNonStatic: SbbFormFieldControl<any>;
    _controlStatic: SbbFormFieldControl<any>;
    get _control(): SbbFormFieldControl<any>;
    set _control(value: SbbFormFieldControl<any>);
    private _explicitFormFieldControl;
    _labelChildNonStatic: SbbLabel;
    _labelChildStatic: SbbLabel;
    _errorChildren: QueryList<SbbError>;
    constructor(_elementRef: ElementRef<HTMLElement>, _changeDetectorRef: ChangeDetectorRef);
    /**
     * Gets the id of the label element. If no label is present, returns `null`.
     */
    getLabelId(): string | null;
    ngAfterContentInit(): void;
    ngAfterContentChecked(): void;
    ngOnDestroy(): void;
    /** Determines whether a class from the NgControl should be forwarded to the host element. */
    _shouldForward(prop: keyof NgControl): boolean;
    _hasLabel(): boolean;
    _hasErrors(): boolean;
    /**
     * Sets the list of element IDs that describe the child control. This allows the control to update
     * its `aria-describedby` attribute accordingly.
     */
    private _syncDescribedByIds;
    /** Throws an error if the form field's control is missing. */
    protected _validateControlChild(): void;
    static ngAcceptInputType_mode: 'default' | 'short' | 'medium' | 'long' | string | null | undefined;
}