try ( SmbTreeHandleInternal th = (SmbTreeHandleInternal) f.getTreeHandle();
                  SmbSessionInternal sess = th.getSession().unwrap(SmbSessionInternal.class);
                  SmbTransportInternal t = (SmbTransportInternal) sess.getTransport() ) {

                int before = t.getInflightRequests();
                if ( before > 0 ) {

     */
    InetAddress toInetAddress () throws UnknownHostException;


    /**
     * Guess called name to try for session establishment. These
     * methods are used by the smb package.
     * 
     * @return guessed name
     */
    String firstCalledName ();


    /**
     * Guess next called name to try for session establishment. These
     * methods are used by the smb package.
     * 

     * guess with an application of Newton's method, which sets guess := (guess + (x / guess)) / 2.
     * This iteration has the following two properties:
     *
     * a) every iteration (except potentially the first) has guess >= floor(sqrt(x)). This is
     * because guess' is the arithmetic mean of guess and x / guess, sqrt(x) is the geometric mean,

        assertEquals("DRguest", permissionHelper.encode("(deny){role}guest"));
        assertEquals("D2guest", permissionHelper.encode("(deny){group}guest"));
        assertEquals("D1guest", permissionHelper.encode("(deny){USER}guest"));
        assertEquals("DRguest", permissionHelper.encode("(deny){ROLE}guest"));
        assertEquals("D2guest", permissionHelper.encode("(deny){GROUP}guest"));

     */
    @Override
    public boolean equals ( Object obj ) {
        return obj instanceof UniAddress && this.addr.equals( ( (UniAddress) obj ).addr);
    }


    /**
     * Guess first called name to try for session establishment. This
     * method is used exclusively by the <tt>jcifs.smb</tt> package.
     * 
     * @return the guessed name
     */
    @Override

        checkRoundingUnnecessary(guessSquared == x);
        return guess;
      case FLOOR:
      case DOWN:
        if (x < guessSquared) {
          return guess - 1;
        }
        return guess;
      case CEILING:
      case UP:
        if (x > guessSquared) {
          return guess + 1;
        }
        return guess;
      case HALF_DOWN:
      case HALF_UP:
      case HALF_EVEN:

          CharStreams.copy(reader, sb);
        }
        return sb.toString();
      }
    },
    // It really seems like this should be faster than TO_BYTE_ARRAY_NEW_STRING.  But it just isn't
    // my best guess is that the jdk authors have spent more time optimizing that callpath than this
    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases

          CharStreams.copy(reader, sb);
        }
        return sb.toString();
      }
    },
    // It really seems like this should be faster than TO_BYTE_ARRAY_NEW_STRING.  But it just isn't
    // my best guess is that the jdk authors have spent more time optimizing that callpath than this
    // one. (StringCoding$StringDecoder vs. StreamDecoder).  StringCoding has a ton of special cases

    }
/*
    public boolean equals( Object obj ) {
        return obj instanceof UniAddress && addr.hashCode() == obj.hashCode();
    }
*/

    /**
     * Guess first called name to try for session establishment. This
     * method is used exclusively by the <tt>jcifs.smb1.smb1</tt> package.
     */

    public String firstCalledName() {
        if( addr instanceof NbtAddress ) {

func (b *block) toSparse() sparseArray { return sparseArray(b[:]) }

// getFormat checks that the block is a valid tar header based on the checksum.
// It then attempts to guess the specific format based on magic values.
// If the checksum fails, then FormatUnknown is returned.
func (b *block) getFormat() Format {
	// Verify checksum.
	var p parser
	value := p.parseOctal(b.toV7().chksum())