Add ghast api (#7554)

patches/api/Missing-Entity-Behavior-API.patch

@@ -175,6 +175,49 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +    public boolean isFaceplanted();
 +    // Paper end - Add more fox behavior API
  }
+diff --git a/src/main/java/org/bukkit/entity/Ghast.java b/src/main/java/org/bukkit/entity/Ghast.java
+index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
+--- a/src/main/java/org/bukkit/entity/Ghast.java
++++ b/src/main/java/org/bukkit/entity/Ghast.java
+@@ -0,0 +0,0 @@ package org.bukkit.entity;
+ /**
+  * Represents a Ghast.
+  */
+-public interface Ghast extends Flying {}
++// Paper start
++public interface Ghast extends Flying {
++
++    /**
++     * Returns whether the ghast is charging an attack.
++     *
++     * @return whether the ghast is charging an attack
++     */
++    boolean isCharging();
++
++    /**
++     * Sets whether the ghast is charging an attack.
++     * This determines whether the client displays the charging animation.
++     *
++     * @param charging whether the ghast is charging an attack
++     */
++    void setCharging(boolean charging);
++
++    /**
++     * Returns the explosion power of shot fireballs.
++     *
++     * @return explosion power of shot fireballs
++     */
++    int getExplosionPower();
++
++    /**
++     * Sets the explosion power of shot fireballs.
++     *
++     * @param explosionPower explosion power of shot fireballs
++     * @throws IllegalArgumentException if the explosion power is less than 0 or greater than 127
++     */
++    void setExplosionPower(int explosionPower);
++    // Paper end
++}
 diff --git a/src/main/java/org/bukkit/entity/Panda.java b/src/main/java/org/bukkit/entity/Panda.java
 index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
 --- a/src/main/java/org/bukkit/entity/Panda.java