import { TextPart } from '../interface/text-part';
export declare class StringUtils {
    static ReplaceOccurrencesIn(source: string, placeholder: string, ...replacementTexts: string[]): string;
    static ParseString(arg: any, defaultValue?: string): string;
    static IsString(str: any): boolean;
    static AsLowerCaseIfString(str: any): any;
    static IsStringWithLength(str: string): boolean;
    static Format(str: string, format: any[]): string;
    static GetFirstCapital(str: string): string;
    static ToStringOrDefault(arg: any, defaultReturnVal?: string): string;
    static CapitalizeFirstLetter(str: string): string;
    static RemoveLastChars(str: string, amount: number): string;
    static StringArrayToString(strArray: string[]): string;
    static ToDictionaryKey(str: string): string;
    static CloneStringArray(strArray: string[]): string[];
    static StartsWithAny(strToCheck: string, prefixes: string[]): boolean;
    static LeftString(str: string, char: string): string;
    static RightString(str: string, char: string): string;
    static StringToStringArray(str: string): string[];
    static GetTextParts(text: string, partsFilter: string): TextPart[];
    static IsValidEmail(str: string): boolean;
    private static _escapeRegExp;
    static htmlToPlainText(html: string): string;
    static CreateUuid(): string;
}