export declare function formatCamelStr(str?: string): string;
export declare function replaceAll(text: string, searchValue: string, replaceValue?: string): string;
/**
 * trims characters from the left
 * @param text text to trim
 * @param characters character to trim
 * @returns trimmed string
 */
export declare function trimStart(text: string, characters?: string): string;
/**
 * trims characters from the right
 * @param text text to trim
 * @param characters character to trim
 * @returns trimmed string
 */
export declare function trimEnd(text: string, characters?: string): string;
/**
 * trims characters from both sides
 * @param text text to trim
 * @param characters character to trim
 * @returns trimmed string
 */
export declare function trim(text: string, characters?: string): string;
/**
 * Splits string into array of tokens based on a separator(one or many).
 * Also, you can define open close brackets.
 * e.g. split('field1=func(a,b,c),field2=4', ',', ['()'])
 * // result = ["field1=func(a,b,c)", "field2=4"]
 * @param text Text to split
 * @param separator
 * @param openClose
 * @returns
 */
export declare function split(text: string, separator?: string, openClose?: string[]): string[];
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