export declare const isVanityNameValid: (vanityName: string) => boolean;
export declare const isEmailValid: (email: string) => boolean;
export declare const doesPasswordContainMinCharacters: (password: string) => boolean;
export declare const doesPasswordContainNumber: (password: string) => boolean;
export declare const doesPasswordContainSymbol: (password: string) => boolean;
export declare const doesPasswordContainLetter: (password: string) => boolean;
export declare const doesPasswordContainMixedCase: (password: string) => boolean;
export declare const doesPasswordContainInvalidCharacter: (password: string) => boolean;