public MutableBytes readMutableMemory(final long offset, final long length) {
    return readMutableMemory(offset, length, false);
  }
Read bytes in memory as mutable. Contents should not be considered stable outside the scope of
the current operation.

@param offset The offset in memory
@param length The length of the bytes to read
@return The bytes in the specified range
evm/src/main/java/org/hyperledger/besu/evm/frame/MessageFrame.java