return null;
            }

            return expression.substring(start, idx);
        }

        public int getPosition() {
            return idx < expression.length() ? idx : EOF;
        }

        // to make tokenizer look pretty in debugger
        @Override
        public String toString() {

        if (features.add(implied)) {
          queue.add(implied);
        }
      }
    }
    return features;
  }

  /**
   * Given a set of features, return a new set of all features directly or indirectly implied by any
   * of them.
   *
   * @param features the set of features whose implications to find
   * @return the implied set of features
   */
  public static Set<Feature<?>> impliedFeatures(Set<Feature<?>> features) {

            }
            return entity;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        });

        return asJson(new ApiUpdateResponse().id(labelType.getId()).created(true).status(Status.OK).result());
    }

            public Integer getUserCodeMinLengthAsInteger() {
                return 10;
            }

            @Override
            public Integer getUserCodeMaxLengthAsInteger() {
                return 20;
            }

            @Override
            public String getUserCodePattern() {
                return "[a-zA-Z0-9_]+";
            }
        };

                    public Object getValue(String expression) {
                        if (projectDir != null && "basedir".equals(expression)) {
                            return projectDir.getAbsolutePath();
                        }
                        return null;
                    }
                },
                PROJECT_PREFIXES,
                true);

                // XML Sitemaps
                return true;
            }
            // gz
            bis.reset();
            return isValid(new GZIPInputStream(bis), false);
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to validate a file.", e);
            }
        }
        return false;
    }

    /**

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

    @Override
    protected String getApiPath() {
        return API_PATH;
    }

    @Override
    protected String getKeyProperty() {
        return KEY_PROPERTY;
    }

    @Override
    protected String getListEndpointSuffix() {
        return LIST_ENDPOINT_SUFFIX;
    }

    @Override

    }
    int readSetupWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int readParametersWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int readDataWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    public String toString() {
        return new String( "Trans2GetDfsReferral[" + super.toString() +

        writeInt2( fid, dst, dstIndex );
        return 4;
    }
    int readSetupWireFormat( byte[] buffer, int bufferIndex, int len ) {
        return 0;
    }
    int writeParametersWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int writeDataWireFormat( byte[] dst, int dstIndex ) {
        return 0;
    }
    int readParametersWireFormat( byte[] buffer, int bufferIndex, int len ) {

            return null;
        }

        return acceptOrReject(member, Violation.error(member, SINCE_ERROR_MESSAGE + getCurrentVersion()));
    }

    private boolean shouldSkipViolationCheckFor(JApiCompatibility member) {
        return !isClassFieldConstructorOrMethod(member) ||
            isInject(member) ||