code: @Nonnull
      public BugInstance addSourceLine(ClassContext classContext, Method method, Location location) {
          return addSourceLine(classContext, method, location.getHandle());
      }
docs: Add source line annotation for given Location in a method.
  
  @param classContext
  the ClassContext
  @param method
  the Method
  @param location
  the Location in the method
  @return this BugInstance