FBSD_1.2 {
};

FBSD_1.3 {
} FBSD_1.2;

FBSD_1.4 {
} FBSD_1.3;

FBSD_1.5 {
} FBSD_1.4;

# This version was first added to 13.0-current.
FBSD_1.6 {
} FBSD_1.5;