/**
 * Trims each line in a string and joins them using the specified separator.
 * @param {string} str - The input string containing lines to trim.
 * @param {string} [separator=''] - The separator to use when joining trimmed lines.
 * @returns {string} The trimmed and joined string.
 */
export declare function trimlines(str: string, separator?: string): string;
export type ParseCaseOptions = {
    escapedChars?: string[];
    separator: string;
};
/**
 * Parses a string into a specified case format.
 * @param {string} str - The input string to parse.
 * @param {ParseCaseOptions} options - The options for parsing.
 * @returns {string} The parsed string.
 */
export declare function parseCase(str: string, { escapedChars, separator }: ParseCaseOptions): string;
/**
 * Converts a string to kebab case.
 * @param {string} str - The input string to convert.
 * @param {string[]} [escapedChars=[]] - The characters to escape from conversion.
 * @returns {string} The string converted to kebab case.
 */
export declare function toKebabCase(str: string, escapedChars?: string[]): string;
/**
 * Converts a camel case string to a space-separated string.
 * @param {string} str - The camel case string to convert.
 * @param {string[]} [escapedChars=[]] - The characters to escape from conversion.
 * @returns {string} The camel case string converted to space-separated string.
 */
export declare function unCamelCase(str: string, escapedChars?: string[]): string;