code: package edu.iastate.cs.egroum.aug;
  
  import org.eclipse.jdt.core.dom.*;
  
  public interface UsageExamplePredicate {
      public static UsageExamplePredicate allUsageExamples() {
      	return new UsageExamplePredicate() {
              @Override
              public boolean matches(String sourceFilePath, CompilationUnit cu) {
                  return true;
              }
  
              @Override
              public boolean matches(MethodDeclaration methodDeclaration) {
                  return true;
              }
  
              @Override
              public boolean matches(EGroumGraph graph) {
                  return true;
              }
  
          };
      }
  
      boolean matches(String sourceFilePath, CompilationUnit cu);
      boolean matches(MethodDeclaration methodDeclaration);
  
      /**
       * This is only here, because we need a check during the src2aug transformation, which uses EGroum as an
       * intermediate state.
       */
      @Deprecated
      boolean matches(EGroumGraph graph);
  }
  