private static byte[] decodabetFor(char[] chars) {
      byte[] decodabet = new byte[Ascii.MAX + 1];
      Arrays.fill(decodabet, (byte) -1);
      for (int i = 0; i < chars.length; i++) {
        char c = chars[i];
        checkArgument(c < decodabet.length, "Non-ASCII character: %s", c);
        checkArgument(decodabet[c] == -1, "Duplicate character: %s", c);
        decodabet[c] = (byte) i;
      }
      return decodabet;
    }

    testDecodes(base64(), "Zg===", "f");
    testDecodes(base64(), "Zg====", "f");
  }

  public void testBase64InvalidDecodings() {
    // These contain bytes not in the decodabet.
    assertFailsToDecode(base64(), "A\u007f", "Unrecognized character: 0x7f");
    assertFailsToDecode(base64(), "Wf2!", "Unrecognized character: !");
    // This sentence just isn't base64() encoded.

    testDecodes(base64(), "Zg===", "f");
    testDecodes(base64(), "Zg====", "f");
  }

  public void testBase64InvalidDecodings() {
    // These contain bytes not in the decodabet.
    assertFailsToDecode(base64(), "A\u007f", "Unrecognized character: 0x7f");
    assertFailsToDecode(base64(), "Wf2!", "Unrecognized character: !");
    // This sentence just isn't base64() encoded.

 */
package jcifs;


import jcifs.internal.SMBProtocolDecodingException;


/**
 * @author mbechler
 *
 */
public interface Decodable {

    /**
     * @param buffer
     * @param bufferIndex
     * @param len
     * @return decoded length
     * @throws SMBProtocolDecodingException
     */

     * @return
     */
    protected Decodable createInputDecodable () {
        return null;
    }


    /**
     * @param responseType
     * @return decoded data
     * @throws SmbException
     */
    @SuppressWarnings ( "unchecked" )
    public <T extends Decodable> T getOutputData ( Class<T> responseType ) throws SmbException {

        Decodable out = getOutputData();

    }


    /**
     * @return the information
     */
    public Decodable getInfo () {
        return this.info;
    }


    /**
     * @param clazz
     * @return the information
     * @throws CIFSException
     */
    @SuppressWarnings ( "unchecked" )
    public <T extends Decodable> T getInfo ( Class<T> clazz ) throws CIFSException {

 */
package jcifs.internal.smb2.ioctl;


import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;


/**
 * @author mbechler
 *
 */
public class SrvCopyChunkCopyResponse implements Decodable {

    private int chunksWritten;
    private int chunkBytesWritten;
    private int totalBytesWritten;

 */
package jcifs.internal.fscc;


import jcifs.Decodable;
import jcifs.internal.AllocInfo;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;


/**
 *
 */
public class FileFsFullSizeInformation implements AllocInfo, FileSystemInformation, Decodable {

    private long alloc; // Also handles SmbQueryFSSizeInfo
    private long free;

 */
package jcifs.internal.smb2.ioctl;


import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;


/**
 * @author mbechler
 *
 */
public class SrvRequestResumeKeyResponse implements Decodable {

    private byte[] resumeKey;


    /**
     * @return the resumeKey
     */

 */
package jcifs.internal.smb2.ioctl;


import jcifs.Decodable;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;


/**
 * @author svella
 *
 */
public class SrvPipePeekResponse implements Decodable {

    // see https://msdn.microsoft.com/en-us/library/dd414577.aspx

    private int namedPipeState;