src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java

@@ -923,10 +923,11 @@
         public Map<Name, PackageSymbol> visiblePackages;
         public List<Symbol> enclosedPackages = List.nil();
 
         public Completer usesProvidesCompleter = Completer.NULL_COMPLETER;
         public final Set<ModuleFlags> flags = EnumSet.noneOf(ModuleFlags.class);
+        public final Set<ModuleResolutionFlags> resolutionFlags = EnumSet.noneOf(ModuleResolutionFlags.class);
 
         /**
          * Create a ModuleSymbol with an associated module-info ClassSymbol.
          */
         public static ModuleSymbol create(Name name, Name module_info) {

@@ -1035,11 +1036,30 @@
         private ModuleFlags(int value) {
             this.value = value;
         }
 
         public final int value;
+    }
+
+    public enum ModuleResolutionFlags {
+        DO_NOT_RESOLVE_BY_DEFAULT(0x0001),
+        WARN_DEPRECATED(0x0002),
+        WARN_DEPRECATED_REMOVAL(0x0004),
+        WARN_INCUBATOR(0x0008);
 
+        public static int value(Set<ModuleResolutionFlags> s) {
+            int v = 0;
+            for (ModuleResolutionFlags f: s)
+                v |= f.value;
+            return v;
+        }
+
+        private ModuleResolutionFlags(int value) {
+            this.value = value;
+        }
+
+        public final int value;
     }
 
     /** A class for package symbols
      */
     public static class PackageSymbol extends TypeSymbol