sdk.rollIn(ethersSigner: ethers.Signer, fromChainId: number, receiveAddress: string, amount: string): Promise<ethers.TransactionResponse>;
sdk.rollOut(ethersSigner: ethers.Signer, toChainId: number, receiveAddress: string, amount: string): Promise<ethers.TransactionResponse>;
sdk.rollInMessage(ethersSigner: ethers.Signer, fromChainId: number, receiveAddress: string, message: string): Promise<ethers.TransactionResponse>;
sdk.rollOutMessage(ethersSigner: ethers.Signer, toChainId: number, receiveAddress: string, message: string): Promise<ethers.TransactionResponse>;