[MCOMPILER-402] dedicated option for implicit javac flag

Author: pzygielo

src/main/java/org/apache/maven/plugin/compiler/AbstractCompilerMojo.java

@@ -402,6 +402,14 @@ public abstract class AbstractCompilerMojo
  @Parameter( property = "maven.compiler.debuglevel" )
  private String debuglevel;
 
+ /**
+ * Keyword to be appended to the <code>-implicit:</code> command-line switch.
+ *
+ * @since 3.10.2
+ */
+ @Parameter( property = "maven.compiler.implicit" )
+ private String implicit;
+
  /**
  *
  */
@@ -686,6 +694,8 @@ public void execute()
 
  compilerConfiguration.setDebugFileName( getDebugFileName() );
 
+ compilerConfiguration.setImplicitOption( implicit );
+
  if ( debug && StringUtils.isNotEmpty( debuglevel ) )
  {
  String[] split = StringUtils.split( debuglevel, "," );