in src/main/groovy/org/jetbrains/gradle/ext/Compiler.groovy [69:78]
def toMap() {
def map = [:]
if (preferTargetJDKCompiler != null) map.put("preferTargetJDKCompiler", preferTargetJDKCompiler)
if (javacAdditionalOptions != null) map.put("javacAdditionalOptions", javacAdditionalOptions)
if (moduleJavacAdditionalOptions != null) map.put("moduleJavacAdditionalOptions", moduleJavacAdditionalOptions)
if (generateDebugInfo != null) map.put("generateDebugInfo", generateDebugInfo)
if (generateDeprecationWarnings != null) map.put("generateDeprecationWarnings", generateDeprecationWarnings)
if (generateNoWarnings != null) map.put("generateNoWarnings", generateNoWarnings)
return map
}