import { EXPRESSION_ITEM, EXPRESSION_VALUE, LabelTypeMap } from "../types";
/**
 * 获取单个field的类型
 */
export declare const getItemType: (typeString?: string) => LabelTypeMap;
/**
 * 过滤空值
 */
export declare const filterNullValue: (resultValue?: EXPRESSION_ITEM[]) => EXPRESSION_ITEM[];
export declare const transferSpecialSign: (str: string) => string;
export default function hash(str?: string, length?: number): number;
export declare const getColor: (name: string) => {
    backgroundColor: string;
    textColor: string;
};
/** 过滤掉空值 */
export declare const filterEmptyValues: (values: EXPRESSION_VALUE[]) => EXPRESSION_VALUE[];
export declare const parseSizeToNumber: (size: string | number) => number;