- batchCreate(__namedParameters): Promise<TransactionSignature>
 Parameters
__namedParameters: { 
    batchIndex: bigint; 
    connection: Connection; 
    creator: Signer; 
    feePayer: Signer; 
    memo?: string; 
    multisigPda: PublicKey; 
    programId?: PublicKey; 
    rentPayer?: Signer; 
    sendOptions?: SendOptions; 
    signers?: Signer[]; 
    vaultIndex: number; 
}
batchIndex: bigint
connection: Connection
creator: Signer
feePayer: Signer
Optional memo?: string
multisigPda: PublicKey
Optional programId?: PublicKey
Optional rentPayer?: Signer
Optional sendOptions?: SendOptions
Optional signers?: Signer[]
vaultIndex: number
Returns Promise<TransactionSignature>
Create a new vault transactions batch.