public ByteCodeBuilder tstore(final int key, final int value) {
    this.push(value).push(key);
    byteCode.append(Operation.TSTORE);
    return this;
  }
Operation to store the value in transient storage

@param key location in the contract's storage
@param value value to store
@return this
evm/src/test/java/org/hyperledger/besu/evm/testutils/ByteCodeBuilder.java