export declare function startCase(str: string): string;
/**
 * Replaces {{key}} in a template string with values[key].
 *
 * @param template  The string containing {{ placeholders }}.
 * @param values    A map from placeholder names to their replacement strings.
 * @returns         A new string with all placeholders substituted.
 */
export declare function evalTemplate(template: string, values: Record<string, any>): string;