Update Javadoc to reference #2706 missing type arguments

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableListMultimapTemplates.java

@@ -33,8 +33,8 @@ private ImmutableListMultimapTemplates() {}
    * Prefer {@link ImmutableListMultimap#builder()} over the associated constructor on constructions
    * that produce a less-specific type.
    */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableListMultimapBuilder<K, V> {
     @BeforeTemplate
     ImmutableMultimap.Builder<K, V> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableListTemplates.java

@@ -26,8 +26,8 @@ final class ImmutableListTemplates {
   private ImmutableListTemplates() {}
 
   /** Prefer {@link ImmutableList#builder()} over the associated constructor. */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableListBuilder<T> {
     @BeforeTemplate
     ImmutableList.Builder<T> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableMapTemplates.java

@@ -27,8 +27,8 @@ final class ImmutableMapTemplates {
   private ImmutableMapTemplates() {}
 
   /** Prefer {@link ImmutableMap#builder()} over the associated constructor. */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableMapBuilder<K, V> {
     @BeforeTemplate
     ImmutableMap.Builder<K, V> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableMultisetTemplates.java

@@ -19,8 +19,8 @@ final class ImmutableMultisetTemplates {
   private ImmutableMultisetTemplates() {}
 
   /** Prefer {@link ImmutableMultiset#builder()} over the associated constructor. */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableMultisetBuilder<T> {
     @BeforeTemplate
     ImmutableMultiset.Builder<T> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableSetMultimapTemplates.java

@@ -27,8 +27,8 @@ final class ImmutableSetMultimapTemplates {
   private ImmutableSetMultimapTemplates() {}
 
   /** Prefer {@link ImmutableSetMultimap#builder()} over the associated constructor. */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableSetMultimapBuilder<K, V> {
     @BeforeTemplate
     ImmutableSetMultimap.Builder<K, V> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableSetTemplates.java

@@ -23,8 +23,8 @@ final class ImmutableSetTemplates {
   private ImmutableSetTemplates() {}
 
   /** Prefer {@link ImmutableSet#builder()} over the associated constructor. */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableSetBuilder<T> {
     @BeforeTemplate
     ImmutableSet.Builder<T> before() {

error-prone-contrib/src/main/java/tech/picnic/errorprone/refastertemplates/ImmutableSortedMapTemplates.java

@@ -35,8 +35,8 @@ ImmutableSortedMap.Builder<K, V> after(Comparator<K> cmp) {
    * Prefer {@link ImmutableSortedMap#naturalOrder()} over the alternative that requires explicitly
    * providing the {@link Comparator}.
    */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableSortedMapNaturalOrderBuilder<K extends Comparable<? super K>, V> {
     @BeforeTemplate
     ImmutableSortedMap.Builder<K, V> before() {
@@ -53,8 +53,8 @@ ImmutableSortedMap.Builder<K, V> after() {
    * Prefer {@link ImmutableSortedMap#reverseOrder()} over the alternative that requires explicitly
    * providing the {@link Comparator}.
    */
-  // XXX: This drops generic type information, sometimes leading to non-compilable code. Anything
-  // we can do about that?
+  // XXX: This drops generic type information, sometimes leading to non-compilable code. See:
+  // https://github.com/google/error-prone/pull/2706.
   static final class ImmutableSortedMapReverseOrderBuilder<K extends Comparable<? super K>, V> {
     @BeforeTemplate
     ImmutableSortedMap.Builder<K, V> before() {