diff --git a/container/types.pb.go b/container/types.pb.go
index 6671670f..7a454de6 100644
--- a/container/types.pb.go
+++ b/container/types.pb.go
@@ -93,9 +93,9 @@ func (m *Container) GetList() AccessControlList {
 
 type AccessGroup struct {
 	// Group access mode.
-	M uint32 `protobuf:"varint,1,opt,name=M,proto3" json:"M,omitempty"`
+	AccessMode uint32 `protobuf:"varint,1,opt,name=AccessMode,proto3" json:"AccessMode,omitempty"`
 	// Group members.
-	G                    []OwnerID `protobuf:"bytes,2,rep,name=G,proto3,customtype=OwnerID" json:"G"`
+	UserGroup            []OwnerID `protobuf:"bytes,2,rep,name=UserGroup,proto3,customtype=OwnerID" json:"UserGroup"`
 	XXX_NoUnkeyedLiteral struct{}  `json:"-"`
 	XXX_unrecognized     []byte    `json:"-"`
 	XXX_sizecache        int32     `json:"-"`
@@ -130,9 +130,9 @@ func (m *AccessGroup) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_AccessGroup proto.InternalMessageInfo
 
-func (m *AccessGroup) GetM() uint32 {
+func (m *AccessGroup) GetAccessMode() uint32 {
 	if m != nil {
-		return m.M
+		return m.AccessMode
 	}
 	return 0
 }
@@ -190,30 +190,30 @@ func init() {
 func init() { proto.RegisterFile("container/types.proto", fileDescriptor_1432e52ab0b53e3e) }
 
 var fileDescriptor_1432e52ab0b53e3e = []byte{
-	// 361 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x91, 0xcf, 0x4e, 0xc2, 0x40,
-	0x10, 0xc6, 0x19, 0x28, 0x2a, 0x0b, 0xc6, 0xb8, 0x09, 0xa6, 0x21, 0x5a, 0x1a, 0x4e, 0xd5, 0x84,
-	0x56, 0x31, 0xf1, 0xe0, 0x49, 0x01, 0x43, 0x48, 0x24, 0x9a, 0x1a, 0x2e, 0xde, 0xca, 0xba, 0x60,
-	0x93, 0xd2, 0x6d, 0xba, 0x5b, 0x0d, 0x6f, 0xe2, 0x23, 0x71, 0xf4, 0x68, 0x3c, 0xa0, 0xa9, 0x2f,
-	0x62, 0xba, 0x85, 0x86, 0x04, 0xbd, 0xed, 0x7c, 0xf3, 0x9b, 0x3f, 0xdf, 0x0e, 0xaa, 0x12, 0xe6,
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-	0x81, 0x94, 0x5b, 0x97, 0x0b, 0xb5, 0x28, 0x2b, 0x0e, 0xcd, 0xec, 0x7b, 0xcc, 0x6b, 0x42, 0x28,
-	0xe7, 0x89, 0x8b, 0x90, 0x79, 0x09, 0xb3, 0x2c, 0x94, 0x7c, 0xe3, 0x12, 0x95, 0x53, 0xa0, 0x17,
-	0xb2, 0x28, 0xc0, 0x15, 0x04, 0x03, 0x69, 0x6e, 0xd7, 0x86, 0x01, 0x3e, 0x42, 0xd0, 0x53, 0xf3,
-	0x7a, 0xe1, 0x2f, 0xab, 0xd0, 0x6b, 0xdc, 0xa0, 0xfd, 0x8d, 0xe6, 0xf8, 0x74, 0xb9, 0x08, 0xe8,
-	0x05, 0xa3, 0xdc, 0x3a, 0xd8, 0x58, 0x44, 0xce, 0x59, 0x5f, 0xa1, 0x7d, 0x35, 0x8f, 0x35, 0x78,
-	0x8f, 0x35, 0xf8, 0x88, 0x35, 0xf8, 0x8e, 0x35, 0x78, 0xfb, 0xd1, 0x72, 0x8f, 0xff, 0x5d, 0x95,
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-	0xff, 0xb4, 0x12, 0x2d, 0xb0, 0x2c, 0x02, 0x00, 0x00,
+	// 368 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x74, 0x91, 0x4f, 0x4b, 0xfb, 0x30,
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+	0xd4, 0xee, 0xfc, 0x50, 0xe8, 0x45, 0xc9, 0xd5, 0x96, 0x9c, 0x36, 0x18, 0xf4, 0x7b, 0x9e, 0xbc,
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+	0xd1, 0x31, 0x2c, 0x7b, 0x49, 0x48, 0xb8, 0xae, 0x99, 0xc0, 0xaa, 0xb6, 0xeb, 0x8e, 0x6a, 0xc6,
+	0xb9, 0x0d, 0x7d, 0x4c, 0xa6, 0x24, 0x12, 0xd9, 0x6d, 0x47, 0xcb, 0x5e, 0xf5, 0x14, 0x89, 0x4e,
+	0xa1, 0x76, 0x15, 0x70, 0xa1, 0x97, 0x65, 0x62, 0xdf, 0xc9, 0xc7, 0xe3, 0x9c, 0x63, 0x4c, 0x38,
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+	0xca, 0x80, 0x13, 0x26, 0x61, 0xbd, 0x68, 0x96, 0x7e, 0x1b, 0xc2, 0x0f, 0xd1, 0xba, 0x80, 0xbb,
+	0x1b, 0xdf, 0xa3, 0xa3, 0x65, 0xa9, 0xc0, 0x2c, 0x59, 0xd5, 0xf6, 0xde, 0x46, 0xa9, 0x32, 0xba,
+	0x5e, 0x64, 0xe7, 0x6c, 0x9e, 0x1a, 0xe0, 0x35, 0x35, 0xc0, 0x5b, 0x6a, 0x80, 0xcf, 0xd4, 0x00,
+	0x2f, 0x5f, 0x46, 0xe1, 0xfe, 0xaf, 0xbd, 0xd3, 0x31, 0xb7, 0xd5, 0x26, 0xf3, 0x97, 0x87, 0xff,
+	0xa4, 0x71, 0xf2, 0x1d, 0x00, 0x00, 0xff, 0xff, 0x13, 0x1b, 0x01, 0x24, 0x4e, 0x02, 0x00, 0x00,
 }
 
 func (m *Container) Marshal() (dAtA []byte, err error) {
@@ -312,12 +312,12 @@ func (m *AccessGroup) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 		i -= len(m.XXX_unrecognized)
 		copy(dAtA[i:], m.XXX_unrecognized)
 	}
-	if len(m.G) > 0 {
-		for iNdEx := len(m.G) - 1; iNdEx >= 0; iNdEx-- {
+	if len(m.UserGroup) > 0 {
+		for iNdEx := len(m.UserGroup) - 1; iNdEx >= 0; iNdEx-- {
 			{
-				size := m.G[iNdEx].Size()
+				size := m.UserGroup[iNdEx].Size()
 				i -= size
-				if _, err := m.G[iNdEx].MarshalTo(dAtA[i:]); err != nil {
+				if _, err := m.UserGroup[iNdEx].MarshalTo(dAtA[i:]); err != nil {
 					return 0, err
 				}
 				i = encodeVarintTypes(dAtA, i, uint64(size))
@@ -326,8 +326,8 @@ func (m *AccessGroup) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 			dAtA[i] = 0x12
 		}
 	}
-	if m.M != 0 {
-		i = encodeVarintTypes(dAtA, i, uint64(m.M))
+	if m.AccessMode != 0 {
+		i = encodeVarintTypes(dAtA, i, uint64(m.AccessMode))
 		i--
 		dAtA[i] = 0x8
 	}
@@ -415,11 +415,11 @@ func (m *AccessGroup) Size() (n int) {
 	}
 	var l int
 	_ = l
-	if m.M != 0 {
-		n += 1 + sovTypes(uint64(m.M))
+	if m.AccessMode != 0 {
+		n += 1 + sovTypes(uint64(m.AccessMode))
 	}
-	if len(m.G) > 0 {
-		for _, e := range m.G {
+	if len(m.UserGroup) > 0 {
+		for _, e := range m.UserGroup {
 			l = e.Size()
 			n += 1 + l + sovTypes(uint64(l))
 		}
@@ -690,9 +690,9 @@ func (m *AccessGroup) Unmarshal(dAtA []byte) error {
 		switch fieldNum {
 		case 1:
 			if wireType != 0 {
-				return fmt.Errorf("proto: wrong wireType = %d for field M", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field AccessMode", wireType)
 			}
-			m.M = 0
+			m.AccessMode = 0
 			for shift := uint(0); ; shift += 7 {
 				if shift >= 64 {
 					return ErrIntOverflowTypes
@@ -702,14 +702,14 @@ func (m *AccessGroup) Unmarshal(dAtA []byte) error {
 				}
 				b := dAtA[iNdEx]
 				iNdEx++
-				m.M |= uint32(b&0x7F) << shift
+				m.AccessMode |= uint32(b&0x7F) << shift
 				if b < 0x80 {
 					break
 				}
 			}
 		case 2:
 			if wireType != 2 {
-				return fmt.Errorf("proto: wrong wireType = %d for field G", wireType)
+				return fmt.Errorf("proto: wrong wireType = %d for field UserGroup", wireType)
 			}
 			var byteLen int
 			for shift := uint(0); ; shift += 7 {
@@ -737,8 +737,8 @@ func (m *AccessGroup) Unmarshal(dAtA []byte) error {
 				return io.ErrUnexpectedEOF
 			}
 			var v OwnerID
-			m.G = append(m.G, v)
-			if err := m.G[len(m.G)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+			m.UserGroup = append(m.UserGroup, v)
+			if err := m.UserGroup[len(m.UserGroup)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
 				return err
 			}
 			iNdEx = postIndex
diff --git a/container/types.proto b/container/types.proto
index a1429ce0..4600046b 100644
--- a/container/types.proto
+++ b/container/types.proto
@@ -23,9 +23,9 @@ message Container {
 
 message AccessGroup {
     // Group access mode.
-    uint32 M         = 1;
+    uint32 AccessMode         = 1;
     // Group members.
-    repeated bytes G = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
+    repeated bytes UserGroup  = 2 [(gogoproto.customtype) = "OwnerID", (gogoproto.nullable) = false];
 }
 
 message AccessControlList {