import { CustomError } from "@rarible/utils";
import type { AbstractAddress } from "../../common/address.js";
import type { BlockchainEnum, L1BlockchainByBlockchain, WithBlockchain } from "../enum/domain.js";
export type UnionAddress<Index extends BlockchainEnum = BlockchainEnum> = WithBlockchain<Index, AbstractAddress<L1BlockchainByBlockchain[Index]>> & {
    __IS_UNION_ADDRESS__: true;
};
/**
 * Address format of union service
 * Will convert raw address to UnionAddress
 * @note that all blockchains will be converted to layer-1 blockchain
 *
 * @example
 * ETHEREUM:0xd07dc4262bcdbf85190c01c996b4c06a461d2430 -> ETHEREUM:0xd07dc4262bcdbf85190c01c996b4c06a461d2430
 * POLYGON:0xd07dc4262bcdbf85190c01c996b4c06a461d2430 -> ETHEREUM:0xd07dc4262bcdbf85190c01c996b4c06a461d2430
 * FLOW:0x01658d9b94068f3c -> FLOW:0x01658d9b94068f3c
 */
export declare function toUnionAddress(value: string): UnionAddress;
export declare function toUnionAddressSafe(value: string): UnionAddress | undefined;
export declare function isUnionAddress(value: string): value is UnionAddress;
export declare class InvalidUnionAddressError extends CustomError {
    constructor(address: string);
}