import { AfterContentInit, AfterViewInit, ChangeDetectorRef, ElementRef, InjectionToken, OnDestroy, OnInit, QueryList, Renderer2 } from '@angular/core';
import { NgControl } from '@angular/forms';
import { CanColor, MixinElementRefBase, ThemePalette } from '@ngx-simple/core/common-behaviors';
import { SimErrorDirective } from './error.directive';
import { SimFormFieldControl } from './form-field-control';
import { SimFormFieldLabelComponent } from './form-field-label.component';
import { SimFormDirective } from './form.directive';
import { SimHintDirective } from './hint.directive';
import { SimPrefixDirective } from './prefix.directive';
import { SimSuffixDirective } from './suffix.directive';
/** 注入标记，可用于注入'SimFormFieldComponent'实例。它作为实际'SimFormFieldComponent'类的替代标记，这会导致'SimFormFieldComponent'类及其组件元数据的不必要保留。 */
export declare const SIM_FORM_FIELD: InjectionToken<SimFormFieldComponent>;
/** form-field 的外观样式 */
export declare type SimFormFieldAppearance = 'standard' | 'fill' | 'outline' | 'underline';
/**
 * 表示可以使用'SIM_FORM_FIELD_DEFAULT_OPTIONS'注入令牌配置的表单字段的默认选项。
 */
export interface SimFormFieldDefaultOptions {
    appearance?: SimFormFieldAppearance;
    hideRequiredMarker?: boolean;
}
/**
 * 注入令牌，可用于配置应用程序中所有form-field的默认选项。
 */
export declare const SIM_FORM_FIELD_DEFAULT_OPTIONS: InjectionToken<SimFormFieldDefaultOptions>;
declare const _SimFormFieldMixinBase: import("../../../dist/libs/core/common-behaviors/constructor").Constructor<CanColor> & typeof MixinElementRefBase;
export declare class SimFormFieldComponent extends _SimFormFieldMixinBase implements OnInit, AfterContentInit, AfterViewInit, OnDestroy, CanColor {
    private renderer;
    private _changeDetectorRef;
    private formDirective;
    private _defaults;
    color: ThemePalette;
    /**
     * 显示外观
     * - standard 标准的，使用子SimFormFieldControl的样式
     * - outline 忽略子SimFormFieldControl的样式 使用边框包裹
     * - underline 忽略子SimFormFieldControl的样式 使用下划线包裹
     * - fill 忽略子SimFormFieldControl的样式 使用背景包裹
     */
    appearance: SimFormFieldAppearance;
    /** 标签显示宽度 */
    labelWidth: string;
    subscriptAnimationState: string;
    _controlNonStatic: SimFormFieldControl<unknown>;
    _controlStatic: SimFormFieldControl<unknown>;
    get _control(): SimFormFieldControl<unknown>;
    set _control(value: SimFormFieldControl<unknown>);
    private _explicitFormFieldControl;
    _labelChild: SimFormFieldLabelComponent;
    _errorChildren: QueryList<SimErrorDirective>;
    _hintChildren: QueryList<SimHintDirective>;
    _prefixChildren: QueryList<SimPrefixDirective>;
    _suffixChildren: QueryList<SimSuffixDirective>;
    _connectionContainerRef: ElementRef;
    _inputContainerRef: ElementRef;
    _hideRequiredMarker: boolean;
    private _destroyed;
    constructor(_elementRef: ElementRef, renderer: Renderer2, _changeDetectorRef: ChangeDetectorRef, formDirective: SimFormDirective, _defaults: SimFormFieldDefaultOptions);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngAfterContentInit(): void;
    ngOnDestroy(): void;
    /** 确定是否应该将来自`NgControl`的`class`转发到`<sim-form-field>` */
    _shouldForward(prop: keyof NgControl): boolean;
    /** 获取显示消息 */
    _getDisplayedMessages(): 'error' | 'hint';
    /** 获取弹层的起始源位置 */
    getConnectedOverlayOrigin(): ElementRef;
    /** 如果缺少表单字段的控件，则会引发错误。 */
    private _validateControlChild;
    /** 执行处理提示时所需的任何额外处理 */
    private _processHints;
    /**
     * 确保指定的每个'<sim-hint>'对齐最多有一个，属性被认为是'align="start"'。
     */
    private _validateHints;
    /**
     * 设置描述子控件的元素id列表。这允许控件相应地更新其'aria-describedby`属性。
     */
    private _syncDescribedByIds;
}
export {};