Remove dependency edges between aspect and its target dependencies

add `BaseTargetPrerequisitesSupplier` to be used by `AspectFunction` to retrieve the `ConfiguredTargetValue` and `BuildConfigurationValue` of the target's dependencies without creating a dependency edge between them and the `AspectValue`.

PiperOrigin-RevId: 572666321
Change-Id: Id96cc732e9e55e72bf00d30b857471ed29d9871d

src/main/java/com/google/devtools/build/lib/skyframe/BaseTargetPrerequisitesSupplier.java

diff --git a/src/main/java/com/google/devtools/build/lib/skyframe/BaseTargetPrerequisitesSupplier.java b/src/main/java/com/google/devtools/build/lib/skyframe/BaseTargetPrerequisitesSupplier.java
new file mode 100644
index 0000000..3c6aa29
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/skyframe/BaseTargetPrerequisitesSupplier.java
@@ -0,0 +1,38 @@
+// Copyright 2023 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.skyframe;
+
+import com.google.devtools.build.lib.analysis.ConfiguredTargetValue;
+import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue;
+import com.google.devtools.build.lib.skyframe.config.BuildConfigurationKey;
+import javax.annotation.Nullable;
+
+/**
+ * Looks up previously evaluated {@link ConfiguredTargetValue}s and {@link BuildConfigurationValue}s
+ * without adding a dependency edge between them and the requesting node.
+ *
+ * <p>Mainly used by {@link AspectFunction} to look up the {@link ConfiguredTargetValue}s and {@link
+ * BuildConfigurationValue} of its target dependencies.
+ */
+public interface BaseTargetPrerequisitesSupplier {
+
+  /** Directly retrieves configured targets from Skyframe without adding a dependency edge. */
+  @Nullable
+  ConfiguredTargetValue getPrerequisite(ConfiguredTargetKey key) throws InterruptedException;
+
+  /** Directly retrieves configuration values from Skyframe without adding a dependency edge. */
+  @Nullable
+  BuildConfigurationValue getPrerequisiteConfiguration(BuildConfigurationKey key)
+      throws InterruptedException;
+}