default void bossBarProgressChanged(final @NotNull BossBar bar, final float oldProgress, final float newProgress) {
      this.bossBarPercentChanged(bar, oldProgress, newProgress);
    }
Bossbar progress changed.

@param bar the bossbar
@param oldProgress the old progress
@param newProgress the new progress
@since 4.0.0
api/src/main/java/net/kyori/adventure/bossbar/BossBar.java