WorldBorder Warning Time works in ticks

PS: Mojang still set the default value in 15 what is a braking change.. but well... nothing use the warning time not?

Author: Doc94

paper-api/src/main/java/org/bukkit/WorldBorder.java

@@ -43,6 +43,7 @@ public interface WorldBorder {
      * @param seconds The time in seconds in which the border grows or shrinks from the previous size to that being set.
      *
      * @throws IllegalArgumentException if newSize is less than 1.0D or greater than {@link #getMaxSize()}
+     * @see #setSize(double, TimeUnit, long)
      */
     void setSize(double newSize, long seconds);
 
@@ -117,15 +118,40 @@ public interface WorldBorder {
      * Gets the current border warning time in seconds.
      *
      * @return The current border warning time in seconds.
+     * @deprecated Use {@link #getWarningTimeTicks()} instead
      */
-    int getWarningTime();
+    @Deprecated(since = "1.21.11", forRemoval = true)
+    default int getWarningTime() {
+        return (int) Tick.of(this.getWarningTimeTicks()).toSeconds();
+    }
+
+    /**
+     * Gets the current border warning time in ticks.
+     *
+     * @return The current border warning time in ticks.
+     */
+    long getWarningTimeTicks();
+
+    /**
+     * Sets the warning time that causes the screen to be tinted red when a contracting border will reach the player within the specified time.
+     *
+     * @param seconds The amount of time in seconds.
+     * @deprecated Use {@link #setWarningTime(TimeUnit, long)} instead
+     */
+    @Deprecated(since = "1.21.11", forRemoval = true)
+    default void setWarningTime(int seconds) {
+        this.setWarningTime(TimeUnit.SECONDS, seconds);
+    }
 
     /**
      * Sets the warning time that causes the screen to be tinted red when a contracting border will reach the player within the specified time.
      *
-     * @param seconds The amount of time in seconds. (The default is 15 seconds.)
+     * @param unit The time unit.
+     * @param time The time that causes the screen to be tinted red when a contracting border will reach.
+     *
+     * @see Tick
      */
-    void setWarningTime(int seconds);
+    void setWarningTime(@NotNull TimeUnit unit, long time);
 
     /**
      * Gets the current border warning distance.

paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorldBorder.java

@@ -105,13 +105,16 @@ public void setDamageAmount(double damage) {
     }
 
     @Override
-    public int getWarningTime() {
+    public long getWarningTimeTicks() {
         return this.handle.getWarningTime();
     }
 
     @Override
-    public void setWarningTime(int time) {
-        this.handle.setWarningTime(time);
+    public void setWarningTime(final TimeUnit unit, final long time) {
+        Preconditions.checkArgument(unit != null, "TimeUnit cannot be null.");
+        Preconditions.checkArgument(time >= 0, "time cannot be lower than 0");
+
+        this.handle.setWarningTime(Tick.tick().fromDuration(Duration.of(time, unit.toChronoUnit())));
     }
 
     @Override