public void findUsages(@NotNull Project project, @NotNull PsiElement psiElement, @Nullable PsiFile scopeFile, FileEditor editor, boolean showDialog, @Nullable("null means default (stored in options)") SearchScope searchScope) {
  }
public void findUsages(@NotNull Project project, @NotNull PsiElement psiElement, @Nullable PsiFile scopeFile, FileEditor editor, boolean showDialog, @Nullable("null means default (stored in options)") SearchScope searchScope)