Remove unused code and legacy type provider across CEL-Java

PiperOrigin-RevId: 1000252391

Author: l46kok

checker/BUILD.bazel

@@ -27,12 +27,6 @@ java_library(
     exports = ["//checker/src/main/java/dev/cel/checker:type_provider_legacy"],
 )
 
-java_library(
-    name = "type_provider_legacy_impl",
-    visibility = ["//:internal"],
-    exports = ["//checker/src/main/java/dev/cel/checker:type_provider_legacy_impl"],
-)
-
 java_library(
     name = "checker_legacy_environment",
     deprecation = "See go/cel-java-migration-guide. Please use CEL-Java Fluent APIs //compiler instead",

checker/src/main/java/dev/cel/checker/BUILD.bazel

@@ -129,24 +129,6 @@ java_library(
     ],
 )
 
-java_library(
-    name = "type_provider_legacy_impl",
-    srcs = ["TypeProviderLegacyImpl.java"],
-    tags = [
-    ],
-    deps = [
-        ":type_provider_legacy",
-        "//common/annotations",
-        "//common/types",
-        "//common/types:cel_proto_types",
-        "//common/types:type_providers",
-        "@cel_spec//proto/cel/expr:checked_java_proto",
-        "@maven//:com_google_errorprone_error_prone_annotations",
-        "@maven//:com_google_guava_guava",
-        "@maven//:org_jspecify_jspecify",
-    ],
-)
-
 java_library(
     name = "checker_legacy_environment",
     srcs = CHECKER_LEGACY_ENV_SOURCES,

checker/src/main/java/dev/cel/checker/CelStandardDeclarations.java

@@ -15,11 +15,9 @@
 package dev.cel.checker;
 
 import static com.google.common.base.Preconditions.checkNotNull;
-import static com.google.common.collect.ImmutableMap.toImmutableMap;
 import static com.google.common.collect.ImmutableSet.toImmutableSet;
 import static java.util.Arrays.stream;
 
-import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.ImmutableSet;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
 import com.google.errorprone.annotations.Immutable;
@@ -34,7 +32,6 @@
 import dev.cel.common.types.SimpleType;
 import dev.cel.common.types.TypeParamType;
 import dev.cel.common.types.TypeType;
-import java.util.Optional;
 
 /**
  * Standard declarations for CEL.
@@ -606,13 +603,6 @@ public enum Size implements StandardOverload {
             CelOverloadDecl.newMemberOverload("map_size", "map size", SimpleType.INT, MAP_OF_AB)),
         ;
 
-        private static final ImmutableMap<String, Size> ID_TO_ENUM =
-            stream(values()).collect(toImmutableMap(e -> e.celOverloadDecl().overloadId(), e -> e));
-
-        public static Optional<Size> fromOverloadId(String overloadId) {
-          return Optional.ofNullable(ID_TO_ENUM.get(overloadId));
-        }
-
         private final CelOverloadDecl celOverloadDecl;
 
         Size(CelOverloadDecl overloadDecl) {
@@ -1489,16 +1479,6 @@ public boolean isHeterogeneousComparison() {
         public CelOverloadDecl celOverloadDecl() {
           return this.celOverloadDecl;
         }
-
-        /** Finds a Comparison by its overload ID. */
-        public static Optional<Comparison> fromOverloadId(String overloadId) {
-          for (Comparison c : values()) {
-            if (c.celOverloadDecl().overloadId().equals(overloadId)) {
-              return Optional.of(c);
-            }
-          }
-          return Optional.empty();
-        }
       }
 
       private Overload() {}
@@ -1518,10 +1498,6 @@ public String functionName() {
       return functionName;
     }
 
-    boolean isDeprecated() {
-      return isDeprecated;
-    }
-
     StandardFunction(Operator operator, StandardOverload... overloads) {
       this(false, operator.getFunction(), overloads);
     }

checker/src/main/java/dev/cel/checker/TypeProviderLegacyImpl.java

@@ -20,7 +20,6 @@ java_library(
         "//checker:proto_type_mask",
         "//checker:standard_decl",
         "//checker:type_inferencer",
-        "//checker:type_provider_legacy_impl",
         "//common:cel_ast",
         "//common:cel_function_decl",
         "//common:cel_issue",

checker/src/test/java/dev/cel/checker/BUILD.bazel

@@ -15,11 +15,9 @@
 package dev.cel.common;
 
 import com.google.auto.value.AutoValue;
-import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.errorprone.annotations.Immutable;
 import dev.cel.common.annotations.Internal;
-import dev.cel.common.ast.CelConstant;
 import dev.cel.common.ast.CelExpr;
 import dev.cel.common.ast.CelReference;
 import dev.cel.common.types.CelType;
@@ -124,16 +122,4 @@ public CelReference getReferenceOrThrow(long exprId) {
     return getReference(exprId)
         .orElseThrow(() -> new NoSuchElementException("Expr Id not found: " + exprId));
   }
-
-  Optional<CelConstant> findEnumValue(long exprId) {
-    CelReference ref = references().get(exprId);
-    return ref != null ? ref.value() : Optional.empty();
-  }
-
-  Optional<ImmutableList<String>> findOverloadIDs(long exprId) {
-    CelReference ref = references().get(exprId);
-    return ref != null && !ref.value().isPresent()
-        ? Optional.of(ref.overloadIds())
-        : Optional.empty();
-  }
 }