/** Returns if string has not-word symbol at pointed char position */
export declare function isSpecialSymbol(s: string, i: number): boolean;
/** Returns count of chars in lower case (for any language with ignoring numbers, symbols)
 * @param s
 * @param stopWith point to calc up to this value (for performance reason) */
export declare function stringLowerCount(s: string, stopWith?: number): number;
/** Returns count of chars in upper case (for any language with ignoring numbers)
 * @param s
 * @param stopWith point to calc up to this value (for performance reason) */
export declare function stringUpperCount(s: string, stopWith?: number): number;
/**
 ** Changes camelCase 'somePropValue' to 'Some Prop Value'
 ** Changes snake_case 'some_prop_value' to 'Some Prop Value'
 ** Changes kebab-case 'some-prop-value' to 'Some Prop Value';
 *
 * @param text The string to change
 * @param capitalize Set uppercase 1st letter of every word: `somePropValue` => `Some Prop Value`; @defaultValue `true`
 * @returns Prettified string */
export declare function stringPrettify(text: string, capitalize?: boolean, handleKebabCase?: boolean): string;