question: the java version to use or null if it should not be customized . concode_field_sep String bootVersion concode_elem_sep String javaVersion concode_elem_sep String groupId concode_elem_sep String format concode_elem_sep String description concode_elem_sep String packaging concode_elem_sep String language concode_elem_sep List<String> dependencies concode_elem_sep String type concode_elem_sep String version concode_elem_sep String output concode_elem_sep String serviceUrl concode_elem_sep boolean extract concode_elem_sep String build concode_elem_sep boolean detectType concode_elem_sep String name concode_elem_sep String artifactId concode_elem_sep String packageName concode_elem_sep String DEFAULT_SERVICE_URL concode_field_sep void setName concode_elem_sep String getBuild concode_elem_sep String getServiceUrl concode_elem_sep void setGroupId concode_elem_sep String getName concode_elem_sep void setBootVersion concode_elem_sep void setPackageName concode_elem_sep void setDescription concode_elem_sep String getBootVersion concode_elem_sep String getDescription concode_elem_sep void setExtract concode_elem_sep String getGroupId concode_elem_sep ProjectType determineProjectType concode_elem_sep void setDetectType concode_elem_sep boolean isExtract concode_elem_sep void setFormat concode_elem_sep void setJavaVersion concode_elem_sep String getFormat concode_elem_sep String getArtifactId concode_elem_sep String getPackaging concode_elem_sep void setOutput concode_elem_sep String getOutput concode_elem_sep String getVersion concode_elem_sep URI generateUrl concode_elem_sep String resolveArtifactId concode_elem_sep String getLanguage concode_elem_sep void setVersion concode_elem_sep List<String> getDependencies concode_elem_sep void setServiceUrl concode_elem_sep void setPackaging concode_elem_sep void setBuild concode_elem_sep void setType concode_elem_sep void filter concode_elem_sep void setArtifactId concode_elem_sep boolean isDetectType concode_elem_sep String getType concode_elem_sep String getPackageName concode_elem_sep void setLanguage
target: String function ( ) { return this . javaVersion ; }