/** Convert a string to camel case: `fooBar` */
export declare function camelCase(input: string): string;
/** Convert a string to pascal case: `FooBar` */
export declare function pascalCase(input: string): string;
/** Convert a string to capital case: `Foo Bar` */
export declare function capitalCase(input: string): string;
export declare const truncate: (str?: string, maxLength?: number) => string;