/**
 * Created by ztt on 2018/9/23.
 */
export declare class StringUtils {
    static isStr(str: any): boolean;
    static trim(str: string): string;
    static trimFront(str: string): string;
    static trimAfter(str: string): string;
    static trimAround(str: string): string;
    static titleCase(str: string): string;
}
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