/**
 * Capitalize the first letter of a string and lowercase the rest
 */
export declare function capitalize(str: string): string;
export declare function randomStr(size?: number, dict?: string): string;
/**
 * Ensures the given string starts with the given prefix.
 */
export declare function ensureStartsWith(prefix: string, str: string): string;
/**
 * Remove the prefix from the string
 */
export declare function removePrefix(prefix: string, str: string): string;
/**
 * Remove the suffix from the string
 */
export declare function removeSuffix(suffix: string, str: string): string;