- proposalCancel(__namedParameters): Promise<TransactionSignature>
 Parameters
__namedParameters: { 
    connection: Connection; 
    feePayer: Signer; 
    member: Signer; 
    memo?: string; 
    multisigPda: PublicKey; 
    programId?: PublicKey; 
    sendOptions?: SendOptions; 
    transactionIndex: bigint; 
}
connection: Connection
feePayer: Signer
member: Signer
Optional memo?: string
multisigPda: PublicKey
Optional programId?: PublicKey
Optional sendOptions?: SendOptions
transactionIndex: bigint
Returns Promise<TransactionSignature>
Cancel a config transaction on behalf of the
member.