export declare function commaAndFormatStringList(texts: string[]): string;
export declare function userFormatCurrency(amount: number): string;
export declare function userReadableBytes(bytes: number, decimals?: number): string;
export declare function lowerCaseSpecial(username: string): string;
export declare function capitalizeFirstLetter(string: string): string;
export declare function humanize(str: string): string;
export declare function userReadableNumber(num: number, decimals?: number): string;
export declare function userReadablePlanName(planName?: string | null): "Free" | "Basic" | "Premium" | "Business" | "Automate" | "Automate Plus" | "Automate Max" | "Enterprise" | "Custom";
export declare function truncateParagraph(pargraph: string, count?: number): string;
/**
 * Sanitize phone number by removing leading '+' and all spaces
 * @param phone - The phone number to sanitize
 * @returns Sanitized phone number or undefined if input is null/undefined
 */
export declare function sanitizePhone(phone: string | null | undefined): string | undefined;
