Expose server build information (#10729)

* Expose server build information

* squash patches

* final tweaks

---------

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
Co-authored-by: masmc05 <masmc05@gmail.com>

patches/api/0289-Add-more-line-of-sight-methods.patch

@@ -0,0 +1,48 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: TwoLeggedCat <80929284+TwoLeggedCat@users.noreply.github.com>
+Date: Sat, 29 May 2021 14:33:18 -0500
+Subject: [PATCH] Add more line of sight methods
+
+
+diff --git a/src/main/java/org/bukkit/RegionAccessor.java b/src/main/java/org/bukkit/RegionAccessor.java
+index d8b1fa79dc24138dc71e32c14bda71c1d570ed88..b68367f123f029c3ff47eab6bfabd7a894a99da4 100644
+--- a/src/main/java/org/bukkit/RegionAccessor.java
++++ b/src/main/java/org/bukkit/RegionAccessor.java
+@@ -461,5 +461,13 @@ public interface RegionAccessor extends Keyed { // Paper
+     @NotNull
+     @Override
+     NamespacedKey getKey();
++
++    /**
++     * Tell whether a line of sight exists between the given locations
++     * @param from Location to start at
++     * @param to target Location
++     * @return whether a line of sight exists between {@code from} and {@code to}
++     */
++    public boolean lineOfSightExists(@NotNull Location from, @NotNull Location to);
+     // Paper end
+ }
+diff --git a/src/main/java/org/bukkit/entity/LivingEntity.java b/src/main/java/org/bukkit/entity/LivingEntity.java
+index b75b79512a8fd7054f0c0c08e34f6900309e522c..62a301f2f87b053bcfbf16c9870c3f740eb70022 100644
+--- a/src/main/java/org/bukkit/entity/LivingEntity.java
++++ b/src/main/java/org/bukkit/entity/LivingEntity.java
+@@ -622,6 +622,19 @@ public interface LivingEntity extends Attributable, Damageable, ProjectileSource
+      */
+     public boolean hasLineOfSight(@NotNull Entity other);
+ 
++    // Paper start
++    /**
++     * Checks whether the living entity has block line of sight to the given block.
++     * <p>
++     * This uses the same algorithm that hostile mobs use to find the closest
++     * player.
++     *
++     * @param location the location to determine line of sight to
++     * @return true if there is a line of sight, false if not
++     */
++    public boolean hasLineOfSight(@NotNull Location location);
++    // Paper end
++
+     /**
+      * Returns if the living entity despawns when away from players or not.
+      * <p>