Update to Minecraft 1.20

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/block/Sign.java

@@ -4,7 +4,6 @@ import org.bukkit.DyeColor;
 import org.bukkit.block.sign.Side;
 import org.bukkit.block.sign.SignSide;
 import org.bukkit.material.Colorable;
-import org.jetbrains.annotations.ApiStatus.Experimental;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -16,8 +15,9 @@ public interface Sign extends TileState, Colorable {
      * Gets all the lines of text currently on the {@link Side#FRONT} of this sign.
      *
      * @return Array of Strings containing each line of text
-     * @see #getSide(Side)
+     * @deprecated  A sign may have multiple writable sides now. Use {@link Sign#getSide(Side)} and {@link SignSide#getLines()}.
      */
+    @Deprecated
     @NotNull
     public String[] getLines();
 
@@ -29,8 +29,9 @@ public interface Sign extends TileState, Colorable {
      * @param index Line number to get the text from, starting at 0
      * @return Text on the given line
      * @throws IndexOutOfBoundsException Thrown when the line does not exist
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#getLine(int)}.
      */
+    @Deprecated
     @NotNull
     public String getLine(int index) throws IndexOutOfBoundsException;
 
@@ -43,8 +44,9 @@ public interface Sign extends TileState, Colorable {
      * @param index Line number to set the text at, starting from 0
      * @param line New text to set at the specified index
      * @throws IndexOutOfBoundsException If the index is out of the range 0..3
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#setLine(int, String)}.
      */
+    @Deprecated
     public void setLine(int index, @NotNull String line) throws IndexOutOfBoundsException;
 
     /**
@@ -73,31 +75,37 @@ public interface Sign extends TileState, Colorable {
      * Gets whether this sign has glowing text. Only affects the {@link Side#FRONT}.
      *
      * @return if this sign has glowing text
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#isGlowingText()}.
      */
+    @Deprecated
     public boolean isGlowingText();
 
     /**
      * Sets whether this sign has glowing text. Only affects the {@link Side#FRONT}.
      *
      * @param glowing if this sign has glowing text
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#setGlowingText(boolean)}.
      */
+    @Deprecated
     public void setGlowingText(boolean glowing);
 
     /**
      * {@inheritDoc}
      *
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#getColor()}.
      */
     @NotNull
+    @Override
+    @Deprecated
     public DyeColor getColor();
 
     /**
      * {@inheritDoc}
      *
-     * @see #getSide(Side)
+     * @deprecated A sign may have multiple writable sides now. Use {@link #getSide(Side)} and {@link SignSide#setColor(org.bukkit.DyeColor)}.
      */
+    @Override
+    @Deprecated
     public void setColor(@NotNull DyeColor color);
 
     /**
@@ -106,7 +114,6 @@ public interface Sign extends TileState, Colorable {
      * @param side the side of the sign
      * @return the selected side of the sign
      */
-    @Experimental
     @NotNull
     public SignSide getSide(@NotNull Side side);
 }