Remove and forbid use of com.google.common.collect.ImmutableSortedSet

This commit removes and now forbids all uses of
com.google.common.collect.ImmutableSortedSet across the codebase. This
is one of many steps in the eventual removal of Guava as a dependency.

Relates #13224

core/src/main/java/org/elasticsearch/index/fielddata/plain/ParentChildIndexFieldData.java

@@ -19,25 +19,15 @@
 
 package org.elasticsearch.index.fielddata.plain;
 
-import com.carrotsearch.hppc.ObjectObjectHashMap;
-import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
-import com.google.common.collect.ImmutableSet;
-import com.google.common.collect.ImmutableSortedSet;
-
 import org.apache.lucene.index.*;
 import org.apache.lucene.index.MultiDocValues.OrdinalMap;
-import org.apache.lucene.search.DocIdSetIterator;
 import org.apache.lucene.util.Accountable;
 import org.apache.lucene.util.BytesRef;
 import org.apache.lucene.util.LongValues;
-import org.apache.lucene.util.PagedBytes;
 import org.apache.lucene.util.packed.PackedInts;
-import org.apache.lucene.util.packed.PackedLongValues;
 import org.elasticsearch.ElasticsearchException;
-import org.elasticsearch.Version;
 import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.breaker.CircuitBreaker;
-import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.lease.Releasable;
 import org.elasticsearch.common.lease.Releasables;
 import org.elasticsearch.common.settings.Settings;
@@ -46,15 +36,11 @@ import org.elasticsearch.index.Index;
 import org.elasticsearch.index.fielddata.*;
 import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
 import org.elasticsearch.index.fielddata.fieldcomparator.BytesRefFieldComparatorSource;
-import org.elasticsearch.index.fielddata.ordinals.Ordinals;
-import org.elasticsearch.index.fielddata.ordinals.OrdinalsBuilder;
 import org.elasticsearch.index.mapper.DocumentMapper;
-import org.elasticsearch.index.mapper.DocumentTypeListener;
 import org.elasticsearch.index.mapper.MappedFieldType;
 import org.elasticsearch.index.mapper.MappedFieldType.Names;
 import org.elasticsearch.index.mapper.MapperService;
 import org.elasticsearch.index.mapper.internal.ParentFieldMapper;
-import org.elasticsearch.index.mapper.internal.UidFieldMapper;
 import org.elasticsearch.index.settings.IndexSettings;
 import org.elasticsearch.indices.breaker.CircuitBreakerService;
 import org.elasticsearch.search.MultiValueMode;

dev-tools/src/main/resources/forbidden/core-signatures.txt

@@ -97,3 +97,4 @@ com.google.common.collect.Sets
 com.google.common.base.Preconditions#checkNotNull(java.lang.Object)
 com.google.common.base.Preconditions#checkNotNull(java.lang.Object, java.lang.Object)
 com.google.common.base.Preconditions#checkNotNull(java.lang.Object, java.lang.String, java.lang.Object[])
+com.google.common.collect.ImmutableSortedSet