private void clearBytes(final int location, final int numBytes) {
    if (numBytes == 0) {
      return;
    }

    ensureCapacityForBytes(location, numBytes);
    Arrays.fill(memBytes, location, location + numBytes, (byte) 0);
  }
Clears (set to 0) some contiguous number of bytes in memory.

@param location The location in memory from which to start clearing the bytes.
@param numBytes The number of bytes to clear.
evm/src/main/java/org/hyperledger/besu/evm/frame/Memory.java