export declare function isValidTransactionDigest(value: string): value is string;
export declare const WOW_ADDRESS_LENGTH = 32;
export declare function isValidWowAddress(value: string): value is string;
export declare function isValidWowObjectId(value: string): boolean;
export type StructTag = {
    address: string;
    module: string;
    name: string;
    typeParams: (string | StructTag)[];
};
export declare function parseStructTag(type: string): StructTag;
export declare function normalizeStructTag(type: string | StructTag): string;
export declare function normalizeWowAddress(value: string, forceAdd0x?: boolean): string;
export declare function normalizeWowObjectId(value: string, forceAdd0x?: boolean): string;