export declare const isUndefined: (value: any) => boolean;
export declare const isNull: (value: any) => boolean;
export declare const isString: (value: any) => boolean;
export declare const isEthereumAddress: (value: any) => boolean;
export declare const minLength: (value: any, min: any) => boolean;
export declare const maxLength: (value: any, max: any) => boolean;
export declare const onlyNumericChars: (value: any) => boolean;
export declare const isURL: (value: any) => boolean;
export declare const isArray: (value: any) => boolean;
export declare const isChainId: (value: any) => boolean;
export declare const isNetworkId: (value: any) => boolean;
export declare const isEventId: (value: any) => boolean;
export declare const isTokenId: (value: any) => boolean;
export declare const isMinBalance: (value: any) => boolean;
export declare const isNotSet: (value: any) => boolean;