org.gradle.api.plugins.quality
Interfaces 
CheckstyleReports
CodeNarcReports
FindBugsReports
JDependReports
PmdReports
Classes 
Checkstyle
CheckstyleExtension
CheckstylePlugin
CodeNarc
CodeNarcExtension
CodeNarcPlugin
CodeQualityExtension
CodeQualityPlugin
FindBugs
FindBugsExtension
FindBugsPlugin
GroovyCodeQualityPluginConvention
JDepend
JDependExtension
JDependPlugin
JavaCodeQualityPluginConvention
Pmd
PmdExtension
PmdPlugin