[MSHARED-930] Update generics

Author: slachiewicz

src/main/java/org/apache/maven/shared/io/scan/SimpleResourceInclusionScanner.java

@@ -34,9 +34,9 @@
 public class SimpleResourceInclusionScanner
  extends AbstractResourceInclusionScanner
 {
- private Set<String> sourceIncludes;
+ private final Set<String> sourceIncludes;
 
- private Set<String> sourceExcludes;
+ private final Set<String> sourceExcludes;
 
  /**
  * @param sourceIncludes The source includes.
@@ -50,14 +50,14 @@ public SimpleResourceInclusionScanner( Set<String> sourceIncludes, Set<String> s
  }
 
  /** {@inheritDoc} */
- public Set getIncludedSources( File sourceDir, File targetDir )
+ public Set<File> getIncludedSources( File sourceDir, File targetDir )
  throws InclusionScanException
  {
  List<SourceMapping> srcMappings = getSourceMappings();
 
  if ( srcMappings.isEmpty() )
  {
- return Collections.<File>emptySet();
+ return Collections.emptySet();
  }
 
  Set<File> matchingSources = new HashSet<>();