@Nullable
  protected static StepIntoBreakpoint create(@NotNull Project project, @NotNull BreakpointStepMethodFilter filter) {
    final SourcePosition pos = filter.getBreakpointPosition();
    if (pos != null) {
      final StepIntoBreakpoint breakpoint = new StepIntoBreakpoint(project, pos, filter);
      breakpoint.init();
      return breakpoint;
    }
    return null;
  }
@Nullable
  protected static StepIntoBreakpoint create(@NotNull Project project, @NotNull BreakpointStepMethodFilter filter)