diff --git a/services/core/java/com/android/server/integrity/engine/RuleLoader.java b/services/core/java/com/android/server/integrity/engine/RuleLoader.java
new file mode 100644
index 0000000000000..567d7e95dd93e
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+++ b/services/core/java/com/android/server/integrity/engine/RuleLoader.java
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2019 The Android Open Source Project
+ *
+ * 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.android.server.integrity.engine;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * A helper class for loading rules to the rule evaluation engine.
+ *
+ * <p>Expose fine-grained APIs for loading rules to be passed to the rule evaluation engine.
+ *
+ * <p>It supports:
+ * <ul>
+ *     <li>Loading rules based on some keys, such as PACKAGE_NAME and APP_CERT.</li>
+ * </ul>
+ *
+ * <p>It does NOT support:
+ * <ul>
+ *     <li>Loading the list of all rules.</li>
+ *     <li>Merging rules resulting from different APIs.</li>
+ * </ul>
+ */
+final class RuleLoader {
+
+    List<String> loadRulesByPackageName(String packageName) {
+        // TODO: Add logic based on rule storage.
+        return new ArrayList<>();
+    }
+
+    List<String> loadRulesByAppCertificate(String appCertificate) {
+        // TODO: Add logic based on rule storage.
+        return new ArrayList<>();
+    }
+
+    List<String> loadRulesByInstallerName(String installerName) {
+        // TODO: Add logic based on rule storage.
+        return new ArrayList<>();
+    }
+
+    List<String> loadRulesByInstallerCertificate(String installerCertificate) {
+        // TODO: Add logic based on rule storage.
+        return new ArrayList<>();
+    }
+}