`--sun-misc-unsafe-memory-acces=` *value*
:   Allow or deny usage of unsupported API `sun.misc.Unsafe`. *value* is one of:
    
    `allow` 
    : Allow use of the memory-access methods with no warnings at run time.
    
    `warn`
    : Allow use of the memory-access methods, but issues a warning on the first
      occasion that any memory-access method is used. At most one warning is
      issued.
    
    `debug`
    : Allow use of the memory-access methods, but issue a one-line warning and
      a stack trace when any memory-access method is used.

    `deny`
    : Disallow use of the memory-access methods by throwing an
      `UnsupportedOperationException` on every usage.
    
    The default value when the option is not specified is `allow`.