多项选择题

A. protected int blipvert(long x) { return 0; }
B. protected long blipvert(int x) { return 0; }
C. private int blipvert(long x) { return 0; }
D. private int blipvert(int x) { return 0; }
E. public int blipvert(int x) { return 0; }
F. protected long blipvert(long x) { return 0; }
G. protected long blipvert(int x, int y) { return 0; }