Missing Entity API

Co-authored-by: Nassim Jahnke <nassim@njahnke.dev>
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: William Blake Galbreath <blake.galbreath@gmail.com>
Co-authored-by: SoSeDiK <mrsosedik@gmail.com>
Co-authored-by: booky10 <boooky10@gmail.com>
Co-authored-by: Amin <amin.haddou@frg.wwschool.de>
Co-authored-by: TrollyLoki <trollyloki@gmail.com>
Co-authored-by: FireInstall <kettnerl@hu-berlin.de>
Co-authored-by: maxcom1 <46265094+maxcom1@users.noreply.github.com>
Co-authored-by: TotalledZebra <Holappa57@gmail.com>

paper-api/src/main/java/org/bukkit/entity/Sheep.java

@@ -6,4 +6,18 @@ import org.bukkit.material.Colorable;
  * Represents a Sheep.
  */
 public interface Sheep extends Animals, Colorable, Shearable {
+
+    /**
+     * Gets whether the sheep is in its sheared state.
+     *
+     * @return Whether the sheep is sheared.
+     */
+    boolean isSheared();
+
+    /**
+     * Sets whether the sheep is in its sheared state.
+     *
+     * @param flag Whether to shear the sheep
+     */
+    void setSheared(boolean flag);
 }