if f.Prefix != "" {
			return errInvalidFilter
		}
		if !f.Tag.IsEmpty() {
			return errInvalidFilter
		}
		if err := f.And.Validate(); err != nil {
			return err
		}
	}
	if f.Prefix != "" {
		if !f.Tag.IsEmpty() {
			return errInvalidFilter
		}
	}
	if !f.Tag.IsEmpty() {
		if err := f.Tag.Validate(); err != nil {
			return err
		}
	}
	return nil
}

    /**
     * 
     * @return MD4 digest
     */
    public static MessageDigest getMD4 () {
        try {
            return MessageDigest.getInstance("MD4", getProvider());
        }
        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * 
     * @return MD5 digest
     */

                return FormatType.SCROLL;
            }
            return FormatType.SEARCH;
        }
        if ("labels".equals(type)) {
            return FormatType.LABEL;
        }
        if ("popular-words".equals(type)) {
            return FormatType.POPULARWORD;
        }
        if ("favorites".equals(type)) {
            return FormatType.FAVORITES;
        }

        return 0;
    }


    @Override
    protected int readParametersWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }


    @Override
    protected int readDataWireFormat ( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }


    @Override
    public String toString () {

        checkNotNull(entry);
        builder.put(entry.getKey(), entry.getValue());
      }
      return builder.build();
    }
  }

  public static class ImmutableSortedMapCopyOfEntriesGenerator
      extends TestStringSortedMapGenerator {
    @Override
    public SortedMap<String, String> create(Entry<String, String>[] entries) {
      return ImmutableSortedMap.copyOf(asList(entries));
    }
  }

			// 	return false
			// }
			if e.Resource != got[i].Resource {
				return i, false
			}
			if e.Type != got[i].Type {
				return i, false
			}
			if e.Source != got[i].Source {
				return i, false
			}
			if e.Owner != got[i].Owner {
				return i, false
			}
			if e.ID != got[i].ID {
				return i, false
			}
			if len(e.ServerList) != len(got[i].ServerList) {
				return i, false
			}

	tx, err := c.db.BeginTx(ctx, opts)
	if err != nil {
		return nil, err
	}
	return &wrapperTx{Tx: tx, conn: c}, nil
}

func (c *wrapperConnPool) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error) {
	c.got = append(c.got, query)
	return c.db.PrepareContext(ctx, query)
}

func (c *wrapperConnPool) ExecContext(ctx context.Context, query string, args ...interface{}) (sql.Result, error) {

		if i == -1 {
			if !atEOF {
				return 0, nil, nil
			}
			// If we have reached the end, return the last token.
			return 0, data, bufio.ErrFinalToken
		}
		// If the token is "STOP", stop the scanning and ignore the rest.
		if string(data[:i]) == "STOP" {
			return i + 1, nil, bufio.ErrFinalToken
		}
		// Otherwise, return the token before the comma.
		return i + 1, data[:i], nil
	}

    }


    @Override
    public URL getURL () {
        return this.connection.getURL();
    }


    @Override
    public int getContentLength () {
        handshake();
        return this.connection.getContentLength();
    }


    @Override
    public String getContentType () {
        handshake();
        return this.connection.getContentType();
    }


    @Override

            if (Constants.GET_METHOD.equalsIgnoreCase(method)) {
                return get();
            }
            if (Constants.HEAD_METHOD.equalsIgnoreCase(method)) {
                return head();
            }
            if (Constants.POST_METHOD.equalsIgnoreCase(method)) {
                return post();
            }
            return get();
        }

        public RequestDataContext method(final Method method) {