@NotNull
  <B extends XLineBreakpoint<P>, P extends XBreakpointProperties> Collection<B> findBreakpointsAtLine(@NotNull XLineBreakpointType<P> type,
                                                                                                      @NotNull VirtualFile file,
                                                                                                      int line);
@NotNull
  <B extends XLineBreakpoint<P>, P extends XBreakpointProperties> Collection<B> findBreakpointsAtLine(@NotNull XLineBreakpointType<P> type,
                                                                                                      @NotNull VirtualFile file,
                                                                                                      int line)