import { InjectionToken } from '@angular/core';
import { SafeAny } from '@ngx-simple/core/types';
import { SimExpansionComponent } from './expansion.component';
import { SimExpansionDisplayMode } from './expansion.typings';
/**
 * `SimExpansionBase` 基本接口 .
 */
export interface SimExpansionBase extends SimExpansionComponent {
    /** 是否隐藏扩展指示箭头 */
    hideToggle: boolean;
    /** 扩展面板的显示模式 */
    displayMode: SimExpansionDisplayMode;
    /** 处理来自面板标题的键盘事件 */
    _handleHeaderKeydown: (event: KeyboardEvent) => void;
    /** 处理来自面板标题的焦点事件 */
    _handleHeaderFocus: (header: SafeAny) => void;
}
export declare const SIM_EXPANSION: InjectionToken<SimExpansionBase>;