const contract = new web3.eth.Contract(abi, address);

const batch = new web3.BatchRequest();
batch.add(contract.methods.details(address).sent.request({from:
'0x0000000000000000000000000000000000000000'}));
    batch.add(contract.methods.balance(address).sent.request({from: '0x0000000000000000000000000000000000000000'}));
    batch.execute().then((error,result) =>{
if(!error) console.log(result);
else console.log(error);
});

export class BatchRequest {
constructor(moduleInstance: AbstractWeb3Module);

add(method: AbstractMethod): void;

execute(): Promise<{methods: AbstractMethod[]; response: any[]} | Error[]>;
}