diff --git a/src/Java.Interop/Java.Interop/JniMemberInfoLookup.cs b/src/Java.Interop/Java.Interop/JniMemberInfoLookup.cs
index c2e019141..d0582c2a1 100644
--- a/src/Java.Interop/Java.Interop/JniMemberInfoLookup.cs
+++ b/src/Java.Interop/Java.Interop/JniMemberInfoLookup.cs
@@ -7,6 +7,12 @@ public ref struct JniMemberInfoLookup {
 	public  ReadOnlySpan<byte>      MemberName      {get; private set;}
 	public  ReadOnlySpan<byte>      MemberSignature {get; private set;}
 
+	[Obsolete ("Use the JniMemberInfoLookup(string, ReadOnlySpan<byte>, ReadOnlySpan<byte>) constructor.", error: true)]
+	public JniMemberInfoLookup ()
+	{
+		throw new NotSupportedException ();
+	}
+
 	public JniMemberInfoLookup (string encodedMember, ReadOnlySpan<byte> memberName, ReadOnlySpan<byte> memberSignature)
 	{
 		EncodedMember   = encodedMember;
diff --git a/src/Java.Interop/PublicAPI.Unshipped.txt b/src/Java.Interop/PublicAPI.Unshipped.txt
index 7dc5c5811..ef0e5e10a 100644
--- a/src/Java.Interop/PublicAPI.Unshipped.txt
+++ b/src/Java.Interop/PublicAPI.Unshipped.txt
@@ -1 +1,25 @@
 #nullable enable
+Java.Interop.JniMemberInfoLookup
+Java.Interop.JniMemberInfoLookup.EncodedMember.get -> string!
+Java.Interop.JniMemberInfoLookup.JniMemberInfoLookup() -> void
+Java.Interop.JniMemberInfoLookup.JniMemberInfoLookup(string! encodedMember, System.ReadOnlySpan<byte> memberName, System.ReadOnlySpan<byte> memberSignature) -> void
+Java.Interop.JniMemberInfoLookup.MemberName.get -> System.ReadOnlySpan<byte>
+Java.Interop.JniMemberInfoLookup.MemberSignature.get -> System.ReadOnlySpan<byte>
+Java.Interop.JniPeerMembers.JniInstanceFields.GetFieldInfo(Java.Interop.JniMemberInfoLookup member) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniPeerMembers.JniInstanceMethods.GetMethodInfo(Java.Interop.JniMemberInfoLookup member) -> Java.Interop.JniMethodInfo!
+Java.Interop.JniPeerMembers.JniStaticFields.GetFieldInfo(Java.Interop.JniMemberInfoLookup member) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniPeerMembers.JniStaticMethods.GetMethodInfo(Java.Interop.JniMemberInfoLookup member) -> Java.Interop.JniMethodInfo!
+Java.Interop.JniRuntime.JniTypeManager.GetReplacementMethodInfo(string! jniSimpleReference, System.ReadOnlySpan<byte> jniMethodName, System.ReadOnlySpan<byte> jniMethodSignature) -> Java.Interop.JniRuntime.ReplacementMethodInfo?
+Java.Interop.JniType.GetCachedInstanceField(ref Java.Interop.JniFieldInfo? cachedField, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniType.GetCachedInstanceMethod(ref Java.Interop.JniMethodInfo? cachedMethod, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+Java.Interop.JniType.GetCachedStaticField(ref Java.Interop.JniFieldInfo? cachedField, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniType.GetCachedStaticMethod(ref Java.Interop.JniMethodInfo? cachedMethod, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+Java.Interop.JniType.GetInstanceField(System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniType.GetInstanceMethod(System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+Java.Interop.JniType.GetStaticField(System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+Java.Interop.JniType.GetStaticMethod(System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+static Java.Interop.JniEnvironment.InstanceFields.GetFieldID(Java.Interop.JniObjectReference type, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+static Java.Interop.JniEnvironment.InstanceMethods.GetMethodID(Java.Interop.JniObjectReference type, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+static Java.Interop.JniEnvironment.StaticFields.GetStaticFieldID(Java.Interop.JniObjectReference type, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniFieldInfo!
+static Java.Interop.JniEnvironment.StaticMethods.GetStaticMethodID(Java.Interop.JniObjectReference type, System.ReadOnlySpan<byte> name, System.ReadOnlySpan<byte> signature) -> Java.Interop.JniMethodInfo!
+virtual Java.Interop.JniRuntime.JniTypeManager.GetReplacementMethodInfoCore(string! jniSimpleReference, System.ReadOnlySpan<byte> jniMethodName, System.ReadOnlySpan<byte> jniMethodSignature) -> Java.Interop.JniRuntime.ReplacementMethodInfo?