diff --git a/stubs/pyasn1/pyasn1/codec/ber/encoder.pyi b/stubs/pyasn1/pyasn1/codec/ber/encoder.pyi
index 58a9193b1a17..4f71096c6dfc 100644
--- a/stubs/pyasn1/pyasn1/codec/ber/encoder.pyi
+++ b/stubs/pyasn1/pyasn1/codec/ber/encoder.pyi
@@ -1,64 +1,71 @@
 from _typeshed import Unused
 from abc import abstractmethod
+from typing import TypeAlias
 
 from pyasn1.type.base import Asn1Type
-from pyasn1.type.tag import TagSet
+from pyasn1.type.tag import Tag, TagSet
 
 __all__ = ["Encoder", "encode"]
 
+_EncodedValue: TypeAlias = tuple[bytes | tuple[int, ...], bool, bool]
+
 class AbstractItemEncoder:
     supportIndefLenMode: bool
     eooIntegerSubstrate: tuple[int, int]
     eooOctetsSubstrate: bytes
-    def encodeTag(self, singleTag, isConstructed): ...
-    def encodeLength(self, length, defMode): ...
+    def encodeTag(self, singleTag: Tag, isConstructed: bool) -> tuple[int, ...]: ...
+    def encodeLength(self, length: int, defMode: bool) -> tuple[int, ...]: ...
     @abstractmethod
-    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> None: ...
-    def encode(self, value, asn1Spec: Asn1Type | None = None, encodeFun=None, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
+    def encode(self, value, asn1Spec=None, encodeFun=None, **options) -> bytes: ...
 
 class EndOfOctetsEncoder(AbstractItemEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class BooleanEncoder(AbstractItemEncoder):
     supportIndefLenMode: bool
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class IntegerEncoder(AbstractItemEncoder):
     supportIndefLenMode: bool
     supportCompactZero: bool
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class BitStringEncoder(AbstractItemEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class OctetStringEncoder(AbstractItemEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class NullEncoder(AbstractItemEncoder):
     supportIndefLenMode: bool
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class ObjectIdentifierEncoder(AbstractItemEncoder):
     supportIndefLenMode: bool
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
+
+class RelativeOIDEncoder(AbstractItemEncoder):
+    supportIndefLenMode: bool
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class RealEncoder(AbstractItemEncoder):
     supportIndefLenMode: bool
     binEncBase: int
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class SequenceEncoder(AbstractItemEncoder):
     omitEmptyOptionals: bool
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class SequenceOfEncoder(AbstractItemEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class ChoiceEncoder(AbstractItemEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 class AnyEncoder(OctetStringEncoder):
-    def encodeValue(self, value, asn1Spec, encodeFun, **options): ...
+    def encodeValue(self, value, asn1Spec, encodeFun, **options) -> _EncodedValue: ...
 
 TAG_MAP: dict[TagSet, AbstractItemEncoder]
 TYPE_MAP: dict[int, AbstractItemEncoder]
@@ -73,12 +80,11 @@ class SingleItemEncoder:
     TYPE_MAP: dict[int, AbstractItemEncoder]
 
     def __init__(self, tagMap=..., typeMap=..., **ignored: Unused) -> None: ...
-    def __call__(self, value, asn1Spec: Asn1Type | None = None, **options): ...
+    def __call__(self, value, asn1Spec: Asn1Type | None = None, **options) -> bytes: ...
 
 class Encoder:
     SINGLE_ITEM_ENCODER: type[SingleItemEncoder]
-
     def __init__(self, tagMap=..., typeMap=..., **options: Unused) -> None: ...
-    def __call__(self, pyObject, asn1Spec: Asn1Type | None = None, **options): ...
+    def __call__(self, pyObject, asn1Spec: Asn1Type | None = None, **options) -> bytes: ...
 
 encode: Encoder