export declare function customInputControlValueAccessor(instance: any): {
    provide: import("@angular/core").InjectionToken<import("@angular/forms").ControlValueAccessor>;
    useExisting: import("@angular/core").Type<any>;
    multi: boolean;
};
export declare const noop: () => void;
/**
 * @description 切换表单控件的隐藏和显示
 * @param formConf 表单配置信息
 * @param props 被操作的属性 (这里需要数组)
 * @param isEmptyValue boolean 是否需要将隐藏的控件置空
 * @param form 表单数据
 */
export declare const switchLooming: (formConf: any, props: any[], isEmptyValue?: boolean, form?: any) => any;
/**
 * @description 将部分控件属性置空
 * @param form 表单数据
 * @param props 被操作的属性
 */
export declare const resetFormData: (form?: any, ...props: any[]) => any;
export declare function deleteSpecialCharacter(data: string): string;