* @throws PACDecodingException if the SID data is invalid
     */
    public SID readSid() throws IOException, PACDecodingException {
        final int sidSize = readInt();
        final byte[] bytes = new byte[8 + sidSize * 4];
        readFully(bytes);
        return new SID(bytes, 0);
    }

    /**
     * Skips the specified number of bytes in the stream.

        /**
         * The share password (if any).
         */
        public String password;
        /**
         * The size of the security descriptor.
         */
        public int sd_size;
        /**
         * The security descriptor bytes.
         */
        public byte[] security_descriptor;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

		p.errorf("TEXT %q: ABIInternal requires NOSPLIT", name)
	}

	// Next operand is the frame and arg size.
	// Bizarre syntax: $frameSize-argSize is two words, not subtraction.
	// Both frameSize and argSize must be simple integers; only frameSize
	// can be negative.
	// The "-argSize" may be missing; if so, set it to objabi.ArgsSizeUnknown.
	// Parse left to right.
	op := operands[next]
	if len(op) < 2 || op[0].ScanToken != '$' {

        shareInfo502.permissions = 2;
        shareInfo502.max_uses = 10;
        shareInfo502.current_uses = 5;
        shareInfo502.path = "C:\\test";
        shareInfo502.password = "password";
        shareInfo502.sd_size = 2;
        shareInfo502.security_descriptor = new byte[] { 1, 2 };

        // Set up mocks for the security descriptor encoding
        mockDeferredBuffer.index = 0; // Set field directly

        if (info502.security_descriptor != null) {
            SecurityDescriptor sd;
            sd = new SecurityDescriptor(info502.security_descriptor, 0, info502.sd_size);
            return sd.aces;
        }
        return null;
    }

        /**
         * The share password (if any).
         */
        public String password;
        /**
         * The size of the security descriptor.
         */
        public int sd_size;
        /**
         * The security descriptor bytes.
         */
        public byte[] security_descriptor;

        @Override
        public void encode(NdrBuffer _dst) throws NdrException {

        if (info502.security_descriptor != null) {
            SecurityDescriptor sd;
            sd = new SecurityDescriptor(info502.security_descriptor, 0, info502.sd_size);
            return sd.getAces();
        }
        return null;
    }

}

func (e *dataUsageEntry) addSizes(summary sizeSummary) {
	e.Size += summary.totalSize
	e.Versions += summary.versions
	e.DeleteMarkers += summary.deleteMarkers
	e.ObjSizes.add(summary.totalSize)
	e.ObjVersions.add(summary.versions)

	if len(summary.tiers) != 0 {
		if e.AllTierStats == nil {
			e.AllTierStats = newAllTierStats()
		}
		e.AllTierStats.addSizes(summary.tiers)
	}
}

    }

    @Test
    public void testReadSid() throws IOException, PACDecodingException {
        // A simple SID: S-1-1-0
        byte[] data = new byte[] { 0x01, 0x00, 0x00, 0x00, // sidSize = 1
                0x01, // revision
                0x01, // sub-authority count
                0x00, 0x00, 0x00, 0x00, 0x00, 0x01, // authority
                0x00, 0x00, 0x00, 0x00 // sub-authority 1
        };

        // DACL at offset 60
        buffer.position(60);
        buffer.put((byte) 0x02); // AclRevision
        buffer.put((byte) 0x00); // Padding
        buffer.putShort((short) 8); // AclSize
        buffer.putShort((short) 0); // AceCount
        buffer.putShort((short) 0); // Padding

        return buffer.array();
    }

    /**
     * Helper method to set error code using reflection