diff --git a/stubs/openpyxl/openpyxl/cell/cell.pyi b/stubs/openpyxl/openpyxl/cell/cell.pyi
index f8a90b74b..1f4ee9568 100644
--- a/stubs/openpyxl/openpyxl/cell/cell.pyi
+++ b/stubs/openpyxl/openpyxl/cell/cell.pyi
@@ -1,8 +1,8 @@
-from _typeshed import Incomplete
 from datetime import date, datetime, time, timedelta
 from decimal import Decimal
+from re import Pattern
 from typing import overload
-from typing_extensions import TypeAlias
+from typing_extensions import Final, TypeAlias
 
 from openpyxl.cell.rich_text import CellRichText
 from openpyxl.comments.comments import Comment
@@ -12,26 +12,30 @@ from openpyxl.worksheet.formula import ArrayFormula, DataTableFormula
 from openpyxl.worksheet.hyperlink import Hyperlink
 from openpyxl.worksheet.worksheet import Worksheet
 
+_TimeTypes: TypeAlias = datetime | date | time | timedelta
 _CellValue: TypeAlias = (  # if numpy is installed also numpy bool and number types
-    bool | float | Decimal | str | CellRichText | date | time | timedelta | DataTableFormula | ArrayFormula
+    bool | float | Decimal | str | CellRichText | _TimeTypes | DataTableFormula | ArrayFormula
 )
 
-__docformat__: str
-TIME_TYPES: Incomplete
-TIME_FORMATS: Incomplete
-STRING_TYPES: Incomplete
-KNOWN_TYPES: Incomplete
-ILLEGAL_CHARACTERS_RE: Incomplete
-ERROR_CODES: Incomplete
-TYPE_STRING: str
-TYPE_FORMULA: str
-TYPE_NUMERIC: str
-TYPE_BOOL: str
-TYPE_NULL: str
-TYPE_INLINE: str
-TYPE_ERROR: str
-TYPE_FORMULA_CACHE_STRING: str
-VALID_TYPES: Incomplete
+__docformat__: Final = "restructuredtext en"
+TIME_TYPES: Final[tuple[type, ...]]
+TIME_FORMATS: Final[dict[type[_TimeTypes], str]]
+STRING_TYPES: Final[tuple[type, ...]]
+KNOWN_TYPES: Final[tuple[type, ...]]
+
+ILLEGAL_CHARACTERS_RE: Final[Pattern[str]]
+ERROR_CODES: Final[tuple[str, ...]]
+
+TYPE_STRING: Final = "s"
+TYPE_FORMULA: Final = "f"
+TYPE_NUMERIC: Final = "n"
+TYPE_BOOL: Final = "b"
+TYPE_NULL: Final = "n"
+TYPE_INLINE: Final = "inlineStr"
+TYPE_ERROR: Final = "e"
+TYPE_FORMULA_CACHE_STRING: Final = "str"
+
+VALID_TYPES: Final[tuple[str, ...]]
 
 def get_type(t: type, value: object) -> str | None: ...
 def get_time_format(t: datetime) -> str: ...
diff --git a/stubs/openpyxl/openpyxl/cell/read_only.pyi b/stubs/openpyxl/openpyxl/cell/read_only.pyi
index 2d1085d3c..71e54e185 100644
--- a/stubs/openpyxl/openpyxl/cell/read_only.pyi
+++ b/stubs/openpyxl/openpyxl/cell/read_only.pyi
@@ -1,4 +1,5 @@
 from _typeshed import Incomplete
+from typing_extensions import Final
 
 class ReadOnlyCell:
     parent: Incomplete
@@ -48,4 +49,4 @@ class EmptyCell:
     alignment: Incomplete
     data_type: str
 
-EMPTY_CELL: Incomplete
+EMPTY_CELL: Final[EmptyCell]
diff --git a/stubs/openpyxl/openpyxl/compat/numbers.pyi b/stubs/openpyxl/openpyxl/compat/numbers.pyi
index 2d5d36fc1..5e49423c0 100644
--- a/stubs/openpyxl/openpyxl/compat/numbers.pyi
+++ b/stubs/openpyxl/openpyxl/compat/numbers.pyi
@@ -1,4 +1,17 @@
-from _typeshed import Incomplete
+from decimal import Decimal
+from typing_extensions import Final, TypeAlias
 
-NUMERIC_TYPES: Incomplete
-NUMPY: bool
+# NOTE: Can't specify numpy as a dependency because openpyxl doesn't declare it as one
+# import numpy
+# if sys.version_info >= (3, 8):
+#     import numpy._typing
+
+#     _NBitBase: TypeAlias = numpy._typing.NBitBase
+# else:
+#     _NBitBase: TypeAlias = Any
+# _NumericTypes: TypeAlias = int | float | Decimal | numpy.bool_ | numpy.floating[_NBitBase] | numpy.integer[_NBitBase]
+
+_NumericTypes: TypeAlias = int | float | Decimal
+NUMERIC_TYPES: Final[tuple[type[_NumericTypes], ...]]
+
+NUMPY: Final[bool]
diff --git a/stubs/openpyxl/openpyxl/compat/strings.pyi b/stubs/openpyxl/openpyxl/compat/strings.pyi
index 0e3080ebd..7a6789a20 100644
--- a/stubs/openpyxl/openpyxl/compat/strings.pyi
+++ b/stubs/openpyxl/openpyxl/compat/strings.pyi
@@ -1,5 +1,6 @@
-from _typeshed import Incomplete
+import sys
+from typing_extensions import Final
 
-VER: Incomplete
+VER: Final[sys._version_info]
 
 def safe_string(value): ...
diff --git a/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi b/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
index 671ed3a82..b037fcae6 100644
--- a/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
+++ b/stubs/openpyxl/openpyxl/descriptors/serialisable.pyi
@@ -1,10 +1,11 @@
 from _typeshed import Incomplete
-from typing import ClassVar
+from typing import Any, ClassVar
+from typing_extensions import Final
 
 from openpyxl.descriptors import MetaSerialisable
 
-KEYWORDS: Incomplete
-seq_types: Incomplete
+KEYWORDS: Final[frozenset[str]]
+seq_types: Final[tuple[type[list[Any]], type[tuple[Any, ...]]]]
 
 class Serialisable(metaclass=MetaSerialisable):
     # These dunders are always set at runtime by MetaSerialisable so they can't be None
diff --git a/stubs/openpyxl/openpyxl/drawing/colors.pyi b/stubs/openpyxl/openpyxl/drawing/colors.pyi
index 8a1cb0858..5c358ea2e 100644
--- a/stubs/openpyxl/openpyxl/drawing/colors.pyi
+++ b/stubs/openpyxl/openpyxl/drawing/colors.pyi
@@ -1,6 +1,6 @@
 from _typeshed import Incomplete
 from typing import ClassVar, overload
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Final, Literal, TypeAlias
 
 from openpyxl.descriptors import Strict, Typed
 from openpyxl.descriptors.base import Alias, Integer, MinMax, Set, _ConvertibleToBool, _ConvertibleToFloat, _ConvertibleToInt
@@ -43,7 +43,7 @@ _SystemColorVal: TypeAlias = Literal[
     "menuHighlight",
     "menuBar",
 ]
-_SchemeColorVal: TypeAlias = Literal[
+_SchemeColors: TypeAlias = Literal[
     "bg1",
     "tx1",
     "bg2",
@@ -255,8 +255,8 @@ _PresetColors: TypeAlias = Literal[
     "yellowGreen",
 ]
 
-PRESET_COLORS: list[_PresetColors]
-SCHEME_COLORS: Incomplete
+PRESET_COLORS: Final[list[_PresetColors]]
+SCHEME_COLORS: Final[list[_SchemeColors]]
 
 class Transform(Serialisable): ...
 
@@ -375,7 +375,7 @@ class SchemeColor(Serialisable):
     blueMod: NestedInteger[Literal[True]]
     gamma: EmptyTag[Literal[True]]
     invGamma: EmptyTag[Literal[True]]
-    val: Set[_SchemeColorVal]
+    val: Set[_SchemeColors]
     __elements__: ClassVar[tuple[str, ...]]
     @overload
     def __init__(
@@ -409,7 +409,7 @@ class SchemeColor(Serialisable):
         gamma: _HasTagAndGet[_ConvertibleToBool | None] | _ConvertibleToBool | None = None,
         invGamma: _HasTagAndGet[_ConvertibleToBool | None] | _ConvertibleToBool | None = None,
         *,
-        val: _SchemeColorVal,
+        val: _SchemeColors,
     ) -> None: ...
     @overload
     def __init__(
@@ -442,7 +442,7 @@ class SchemeColor(Serialisable):
         blueMod: _HasTagAndGet[_ConvertibleToInt | None] | _ConvertibleToInt | None,
         gamma: _HasTagAndGet[_ConvertibleToBool | None] | _ConvertibleToBool | None,
         invGamma: _HasTagAndGet[_ConvertibleToBool | None] | _ConvertibleToBool | None,
-        val: _SchemeColorVal,
+        val: _SchemeColors,
     ) -> None: ...
 
 class ColorChoice(Serialisable):
@@ -467,7 +467,7 @@ class ColorChoice(Serialisable):
         prstClr: _NestedNoneSetParam[_PresetColors] = None,
     ) -> None: ...
 
-_COLOR_SET: tuple[_ColorSetType, ...]
+_COLOR_SET: Final[tuple[_ColorSetType, ...]]
 
 class ColorMapping(Serialisable):
     tagname: str
diff --git a/stubs/openpyxl/openpyxl/formula/tokenizer.pyi b/stubs/openpyxl/openpyxl/formula/tokenizer.pyi
index 4f2561741..6b7d97431 100644
--- a/stubs/openpyxl/openpyxl/formula/tokenizer.pyi
+++ b/stubs/openpyxl/openpyxl/formula/tokenizer.pyi
@@ -1,13 +1,15 @@
 from _typeshed import Incomplete
+from re import Pattern
+from typing_extensions import Final
 
 class TokenizerError(Exception): ...
 
 class Tokenizer:
-    SN_RE: Incomplete
-    WSPACE_RE: Incomplete
-    STRING_REGEXES: Incomplete
-    ERROR_CODES: Incomplete
-    TOKEN_ENDERS: str
+    SN_RE: Final[Pattern[str]]
+    WSPACE_RE: Final[Pattern[str]]
+    STRING_REGEXES: Final[dict[str, Pattern[str]]]
+    ERROR_CODES: Final[tuple[str, ...]]
+    TOKEN_ENDERS: Final = ",;}) +-*/^&=><%"
     formula: Incomplete
     items: Incomplete
     token_stack: Incomplete
@@ -20,33 +22,33 @@ class Tokenizer:
     def render(self): ...
 
 class Token:
-    LITERAL: str
-    OPERAND: str
-    FUNC: str
-    ARRAY: str
-    PAREN: str
-    SEP: str
-    OP_PRE: str
-    OP_IN: str
-    OP_POST: str
-    WSPACE: str
+    LITERAL: Final = "LITERAL"
+    OPERAND: Final = "OPERAND"
+    FUNC: Final = "FUNC"
+    ARRAY: Final = "ARRAY"
+    PAREN: Final = "PAREN"
+    SEP: Final = "SEP"
+    OP_PRE: Final = "OPERATOR-PREFIX"
+    OP_IN: Final = "OPERATOR-INFIX"
+    OP_POST: Final = "OPERATOR-POSTFIX"
+    WSPACE: Final = "WHITE-SPACE"
     value: Incomplete
     type: Incomplete
     subtype: Incomplete
     def __init__(self, value, type_, subtype: str = "") -> None: ...
-    TEXT: str
-    NUMBER: str
-    LOGICAL: str
-    ERROR: str
-    RANGE: str
+    TEXT: Final = "TEXT"
+    NUMBER: Final = "NUMBER"
+    LOGICAL: Final = "LOGICAL"
+    ERROR: Final = "ERROR"
+    RANGE: Final = "RANGE"
     @classmethod
     def make_operand(cls, value): ...
-    OPEN: str
-    CLOSE: str
+    OPEN: Final = "OPEN"
+    CLOSE: Final = "CLOSE"
     @classmethod
     def make_subexp(cls, value, func: bool = False): ...
     def get_closer(self): ...
-    ARG: str
-    ROW: str
+    ARG: Final = "ARG"
+    ROW: Final = "ROW"
     @classmethod
     def make_separator(cls, value): ...
diff --git a/stubs/openpyxl/openpyxl/formula/translate.pyi b/stubs/openpyxl/openpyxl/formula/translate.pyi
index 61c618730..edbec1d54 100644
--- a/stubs/openpyxl/openpyxl/formula/translate.pyi
+++ b/stubs/openpyxl/openpyxl/formula/translate.pyi
@@ -1,4 +1,6 @@
 from _typeshed import Incomplete
+from re import Pattern
+from typing_extensions import Final
 
 class TranslatorError(Exception): ...
 
@@ -6,9 +8,9 @@ class Translator:
     tokenizer: Incomplete
     def __init__(self, formula, origin) -> None: ...
     def get_tokens(self): ...
-    ROW_RANGE_RE: Incomplete
-    COL_RANGE_RE: Incomplete
-    CELL_REF_RE: Incomplete
+    ROW_RANGE_RE: Final[Pattern[str]]
+    COL_RANGE_RE: Final[Pattern[str]]
+    CELL_REF_RE: Final[Pattern[str]]
     @staticmethod
     def translate_row(row_str, rdelta): ...
     @staticmethod
diff --git a/stubs/openpyxl/openpyxl/packaging/custom.pyi b/stubs/openpyxl/openpyxl/packaging/custom.pyi
index ba279e6e1..9aadb179c 100644
--- a/stubs/openpyxl/openpyxl/packaging/custom.pyi
+++ b/stubs/openpyxl/openpyxl/packaging/custom.pyi
@@ -2,7 +2,7 @@ from _typeshed import Incomplete
 from collections.abc import Iterator
 from datetime import datetime
 from typing import Any, Generic, TypeVar
-from typing_extensions import Literal, Self
+from typing_extensions import Final, Literal, Self, TypeAlias
 
 from openpyxl.descriptors import Sequence, Strict
 from openpyxl.descriptors.base import (
@@ -49,8 +49,9 @@ class BoolProperty(_TypedProperty[_ConvertibleToBool]):
 class LinkProperty(_TypedProperty[str]):
     value: String[Literal[False]]
 
-CLASS_MAPPING: Incomplete
-XML_MAPPING: Incomplete
+_MappingPropertyType: TypeAlias = StringProperty | IntProperty | FloatProperty | DateTimeProperty | BoolProperty | LinkProperty
+CLASS_MAPPING: Final[dict[type[_MappingPropertyType], str]]
+XML_MAPPING: Final[dict[str, type[_MappingPropertyType]]]
 
 class CustomPropertyList(Strict):
     props: Sequence
diff --git a/stubs/openpyxl/openpyxl/packaging/manifest.pyi b/stubs/openpyxl/openpyxl/packaging/manifest.pyi
index bcc569d4e..1d7226ee8 100644
--- a/stubs/openpyxl/openpyxl/packaging/manifest.pyi
+++ b/stubs/openpyxl/openpyxl/packaging/manifest.pyi
@@ -1,7 +1,7 @@
 from _typeshed import Incomplete
 from collections.abc import Generator
 from typing import ClassVar
-from typing_extensions import Literal
+from typing_extensions import Final, Literal
 
 from openpyxl.descriptors.base import String
 from openpyxl.descriptors.serialisable import Serialisable
@@ -20,8 +20,8 @@ class Override(Serialisable):
     ContentType: String[Literal[False]]
     def __init__(self, PartName: str, ContentType: str) -> None: ...
 
-DEFAULT_TYPES: Incomplete
-DEFAULT_OVERRIDE: Incomplete
+DEFAULT_TYPES: Final[list[FileExtension]]
+DEFAULT_OVERRIDE: Final[list[Override]]
 
 class Manifest(Serialisable):
     tagname: str
diff --git a/stubs/openpyxl/openpyxl/reader/excel.pyi b/stubs/openpyxl/openpyxl/reader/excel.pyi
index 410ba2223..4747182a4 100644
--- a/stubs/openpyxl/openpyxl/reader/excel.pyi
+++ b/stubs/openpyxl/openpyxl/reader/excel.pyi
@@ -1,4 +1,5 @@
 from _typeshed import Incomplete, StrPath, SupportsRead
+from typing_extensions import Final, Literal, TypeAlias
 from zipfile import ZipFile
 
 from openpyxl.chartsheet.chartsheet import Chartsheet
@@ -7,7 +8,8 @@ from openpyxl.packaging.relationship import Relationship
 from openpyxl.reader.workbook import WorkbookParser
 from openpyxl.workbook import Workbook
 
-SUPPORTED_FORMATS: Incomplete
+_SupportedFormats: TypeAlias = Literal[".xlsx", ".xlsm", ".xltx", ".xltm"]
+SUPPORTED_FORMATS: Final[tuple[_SupportedFormats, ...]]
 
 class ExcelReader:
     archive: ZipFile
diff --git a/stubs/openpyxl/openpyxl/styles/borders.pyi b/stubs/openpyxl/openpyxl/styles/borders.pyi
index f11117c9c..bae92b586 100644
--- a/stubs/openpyxl/openpyxl/styles/borders.pyi
+++ b/stubs/openpyxl/openpyxl/styles/borders.pyi
@@ -1,6 +1,6 @@
 from _typeshed import Incomplete
 from typing import ClassVar
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Final, Literal, TypeAlias
 
 from openpyxl.descriptors.base import Alias, Bool, NoneSet, Typed, _ConvertibleToBool
 from openpyxl.descriptors.serialisable import Serialisable
@@ -21,20 +21,20 @@ _SideStyle: TypeAlias = Literal[
     "thin",
 ]
 
-BORDER_NONE: Incomplete
-BORDER_DASHDOT: str
-BORDER_DASHDOTDOT: str
-BORDER_DASHED: str
-BORDER_DOTTED: str
-BORDER_DOUBLE: str
-BORDER_HAIR: str
-BORDER_MEDIUM: str
-BORDER_MEDIUMDASHDOT: str
-BORDER_MEDIUMDASHDOTDOT: str
-BORDER_MEDIUMDASHED: str
-BORDER_SLANTDASHDOT: str
-BORDER_THICK: str
-BORDER_THIN: str
+BORDER_NONE: Final = None
+BORDER_DASHDOT: Final = "dashDot"
+BORDER_DASHDOTDOT: Final = "dashDotDot"
+BORDER_DASHED: Final = "dashed"
+BORDER_DOTTED: Final = "dotted"
+BORDER_DOUBLE: Final = "double"
+BORDER_HAIR: Final = "hair"
+BORDER_MEDIUM: Final = "medium"
+BORDER_MEDIUMDASHDOT: Final = "mediumDashDot"
+BORDER_MEDIUMDASHDOTDOT: Final = "mediumDashDotDot"
+BORDER_MEDIUMDASHED: Final = "mediumDashed"
+BORDER_SLANTDASHDOT: Final = "slantDashDot"
+BORDER_THICK: Final = "thick"
+BORDER_THIN: Final = "thin"
 
 class Side(Serialisable):
     __fields__: Incomplete
@@ -83,4 +83,4 @@ class Border(Serialisable):
     ) -> None: ...
     def __iter__(self): ...
 
-DEFAULT_BORDER: Incomplete
+DEFAULT_BORDER: Final[Border]
diff --git a/stubs/openpyxl/openpyxl/styles/colors.pyi b/stubs/openpyxl/openpyxl/styles/colors.pyi
index 67fbdd861..72d38675d 100644
--- a/stubs/openpyxl/openpyxl/styles/colors.pyi
+++ b/stubs/openpyxl/openpyxl/styles/colors.pyi
@@ -1,16 +1,17 @@
 from _typeshed import Incomplete, Unused
+from re import Pattern
 from typing import ClassVar
-from typing_extensions import Literal
+from typing_extensions import Final, Literal
 
 from openpyxl.descriptors import Strict, Typed
 from openpyxl.descriptors.base import Bool, Integer, MinMax, String, _ConvertibleToBool, _ConvertibleToFloat, _ConvertibleToInt
 from openpyxl.descriptors.serialisable import Serialisable
 
-COLOR_INDEX: Incomplete
-BLACK: Incomplete
-WHITE: Incomplete
-BLUE: Incomplete
-aRGB_REGEX: Incomplete
+COLOR_INDEX: Final[tuple[str, ...]]
+BLACK: Final = "00000000"
+WHITE: Final = "00FFFFFF"
+BLUE: Final = "00FFFFFF"
+aRGB_REGEX: Final[Pattern[str]]
 
 class RGB(Typed[str, Incomplete]):
     expected_type: type[str]
diff --git a/stubs/openpyxl/openpyxl/styles/fills.pyi b/stubs/openpyxl/openpyxl/styles/fills.pyi
index 889844800..409c8c436 100644
--- a/stubs/openpyxl/openpyxl/styles/fills.pyi
+++ b/stubs/openpyxl/openpyxl/styles/fills.pyi
@@ -75,8 +75,8 @@ class PatternFill(Fill):
     ) -> None: ...
     def to_tree(self, tagname: Incomplete | None = None, idx: Incomplete | None = None): ...  # type: ignore[override]
 
-DEFAULT_EMPTY_FILL: Incomplete
-DEFAULT_GRAY_FILL: Incomplete
+DEFAULT_EMPTY_FILL: Final[PatternFill]
+DEFAULT_GRAY_FILL: Final[PatternFill]
 
 class Stop(Serialisable):
     tagname: str
diff --git a/stubs/openpyxl/openpyxl/styles/fonts.pyi b/stubs/openpyxl/openpyxl/styles/fonts.pyi
index c61cb4cbb..7e5236152 100644
--- a/stubs/openpyxl/openpyxl/styles/fonts.pyi
+++ b/stubs/openpyxl/openpyxl/styles/fonts.pyi
@@ -1,6 +1,6 @@
 from _typeshed import Incomplete
 from typing import ClassVar
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Final, Literal, TypeAlias
 
 from openpyxl.descriptors.base import Alias, _ConvertibleToBool, _ConvertibleToFloat, _ConvertibleToInt
 from openpyxl.descriptors.nested import (
@@ -20,10 +20,10 @@ _FontVertAlign: TypeAlias = Literal["superscript", "subscript", "baseline"]
 _FontScheme: TypeAlias = Literal["major", "minor"]
 
 class Font(Serialisable):
-    UNDERLINE_DOUBLE: str
-    UNDERLINE_DOUBLE_ACCOUNTING: str
-    UNDERLINE_SINGLE: str
-    UNDERLINE_SINGLE_ACCOUNTING: str
+    UNDERLINE_DOUBLE: Final = "double"
+    UNDERLINE_DOUBLE_ACCOUNTING: Final = "doubleAccounting"
+    UNDERLINE_SINGLE: Final = "single"
+    UNDERLINE_SINGLE_ACCOUNTING: Final = "singleAccounting"
     name: NestedString[Literal[True]]
     charset: NestedInteger[Literal[True]]
     family: NestedMinMax[float, Literal[True]]
@@ -72,4 +72,4 @@ class Font(Serialisable):
     @classmethod
     def from_tree(cls, node): ...
 
-DEFAULT_FONT: Incomplete
+DEFAULT_FONT: Final[Font]
diff --git a/stubs/openpyxl/openpyxl/styles/numbers.pyi b/stubs/openpyxl/openpyxl/styles/numbers.pyi
index a2ad642a1..d23d987c8 100644
--- a/stubs/openpyxl/openpyxl/styles/numbers.pyi
+++ b/stubs/openpyxl/openpyxl/styles/numbers.pyi
@@ -1,53 +1,55 @@
 from _typeshed import Incomplete, Unused
+from re import Pattern
 from typing import ClassVar
-from typing_extensions import Literal
+from typing_extensions import Final, Literal
 
 from openpyxl.descriptors import Strict, String
 from openpyxl.descriptors.base import Integer, _ConvertibleToInt
 from openpyxl.descriptors.serialisable import Serialisable
 
-BUILTIN_FORMATS: Incomplete
-BUILTIN_FORMATS_MAX_SIZE: int
-BUILTIN_FORMATS_REVERSE: Incomplete
-FORMAT_GENERAL: Incomplete
-FORMAT_TEXT: Incomplete
-FORMAT_NUMBER: Incomplete
-FORMAT_NUMBER_00: Incomplete
-FORMAT_NUMBER_COMMA_SEPARATED1: Incomplete
-FORMAT_NUMBER_COMMA_SEPARATED2: str
-FORMAT_PERCENTAGE: Incomplete
-FORMAT_PERCENTAGE_00: Incomplete
-FORMAT_DATE_YYYYMMDD2: str
-FORMAT_DATE_YYMMDD: str
-FORMAT_DATE_DDMMYY: str
-FORMAT_DATE_DMYSLASH: str
-FORMAT_DATE_DMYMINUS: str
-FORMAT_DATE_DMMINUS: str
-FORMAT_DATE_MYMINUS: str
-FORMAT_DATE_XLSX14: Incomplete
-FORMAT_DATE_XLSX15: Incomplete
-FORMAT_DATE_XLSX16: Incomplete
-FORMAT_DATE_XLSX17: Incomplete
-FORMAT_DATE_XLSX22: Incomplete
-FORMAT_DATE_DATETIME: str
-FORMAT_DATE_TIME1: Incomplete
-FORMAT_DATE_TIME2: Incomplete
-FORMAT_DATE_TIME3: Incomplete
-FORMAT_DATE_TIME4: Incomplete
-FORMAT_DATE_TIME5: Incomplete
-FORMAT_DATE_TIME6: Incomplete
-FORMAT_DATE_TIME7: str
-FORMAT_DATE_TIME8: str
-FORMAT_DATE_TIMEDELTA: str
-FORMAT_DATE_YYMMDDSLASH: str
-FORMAT_CURRENCY_USD_SIMPLE: str
-FORMAT_CURRENCY_USD: str
-FORMAT_CURRENCY_EUR_SIMPLE: str
-COLORS: str
-LITERAL_GROUP: str
-LOCALE_GROUP: str
-STRIP_RE: Incomplete
-TIMEDELTA_RE: Incomplete
+BUILTIN_FORMATS: Final[dict[int, str]]
+BUILTIN_FORMATS_MAX_SIZE: Final = 164
+BUILTIN_FORMATS_REVERSE: Final[dict[str, int]]
+FORMAT_GENERAL: Final = "General"
+FORMAT_TEXT: Final = "@"
+FORMAT_NUMBER: Final = "0"
+FORMAT_NUMBER_00: Final = "0.00"
+FORMAT_NUMBER_COMMA_SEPARATED1: Final = "#,##0.00"
+FORMAT_NUMBER_COMMA_SEPARATED2: Final = "#,##0.00_-"
+FORMAT_PERCENTAGE: Final = "0%"
+FORMAT_PERCENTAGE_00: Final = "0.00%"
+FORMAT_DATE_YYYYMMDD2: Final = "yyyy-mm-dd"
+FORMAT_DATE_YYMMDD: Final = "yy-mm-dd"
+FORMAT_DATE_DDMMYY: Final = "dd/mm/yy"
+FORMAT_DATE_DMYSLASH: Final = "d/m/y"
+FORMAT_DATE_DMYMINUS: Final = "d-m-y"
+FORMAT_DATE_DMMINUS: Final = "d-m"
+FORMAT_DATE_MYMINUS: Final = "m-y"
+FORMAT_DATE_XLSX14: Final = "mm-dd-yy"
+FORMAT_DATE_XLSX15: Final = "d-mmm-yy"
+FORMAT_DATE_XLSX16: Final = "d-mmm"
+FORMAT_DATE_XLSX17: Final = "mmm-yy"
+FORMAT_DATE_XLSX22: Final = "m/d/yy h:mm"
+FORMAT_DATE_DATETIME: Final = "yyyy-mm-dd h:mm:ss"
+FORMAT_DATE_TIME1: Final = "h:mm AM/PM"
+FORMAT_DATE_TIME2: Final = "h:mm:ss AM/PM"
+FORMAT_DATE_TIME3: Final = "h:mm"
+FORMAT_DATE_TIME4: Final = "h:mm:ss"
+FORMAT_DATE_TIME5: Final = "mm:ss"
+FORMAT_DATE_TIME6: Final = "h:mm:ss"
+FORMAT_DATE_TIME7: Final = "i:s.S"
+FORMAT_DATE_TIME8: Final = "h:mm:ss@"
+FORMAT_DATE_TIMEDELTA: Final = "[hh]:mm:ss"
+FORMAT_DATE_YYMMDDSLASH: Final = "yy/mm/dd@"
+FORMAT_CURRENCY_USD_SIMPLE: Final = '"$"#,##0.00_-'
+FORMAT_CURRENCY_USD: Final = "$#,##0_-"
+FORMAT_CURRENCY_EUR_SIMPLE: Final = "[$EUR ]#,##0.00_-"
+
+COLORS: Final[str]
+LITERAL_GROUP: Final = r'".*?"'
+LOCALE_GROUP: Final = r"\[(?!hh?\]|mm?\]|ss?\])[^\]]*\]"
+STRIP_RE: Final[Pattern[str]]
+TIMEDELTA_RE: Final[Pattern[str]]
 
 def is_date_format(fmt): ...
 def is_timedelta_format(fmt): ...
diff --git a/stubs/openpyxl/openpyxl/utils/cell.pyi b/stubs/openpyxl/openpyxl/utils/cell.pyi
index bddf718b7..5b15e29f3 100644
--- a/stubs/openpyxl/openpyxl/utils/cell.pyi
+++ b/stubs/openpyxl/openpyxl/utils/cell.pyi
@@ -1,20 +1,19 @@
 from _typeshed import Incomplete
 from collections.abc import Generator
+from re import Pattern
+from typing_extensions import Final
 
-COORD_RE: Incomplete
-COL_RANGE: str
-ROW_RANGE: str
-RANGE_EXPR: str
-ABSOLUTE_RE: Incomplete
-SHEET_TITLE: str
-SHEETRANGE_RE: Incomplete
+COORD_RE: Final[Pattern[str]]
+COL_RANGE: Final = """[A-Z]{1,3}:[A-Z]{1,3}:"""
+ROW_RANGE: Final = r"""\d+:\d+:"""
+RANGE_EXPR: Final[str]
+ABSOLUTE_RE: Final[Pattern[str]]
+SHEET_TITLE: Final[str]
+SHEETRANGE_RE: Final[Pattern[str]]
 
 def get_column_interval(start: str | int, end: str | int) -> list[str]: ...
 def coordinate_from_string(coord_string: str) -> tuple[str, int]: ...
 def absolute_coordinate(coord_string: str) -> str: ...
-
-col: Incomplete
-
 def get_column_letter(idx: int) -> str: ...
 def column_index_from_string(str_col: str) -> int: ...
 def range_boundaries(range_string: str) -> tuple[int, int, int, int]: ...
diff --git a/stubs/openpyxl/openpyxl/utils/datetime.pyi b/stubs/openpyxl/openpyxl/utils/datetime.pyi
index 70b029bde..de2c233d5 100644
--- a/stubs/openpyxl/openpyxl/utils/datetime.pyi
+++ b/stubs/openpyxl/openpyxl/utils/datetime.pyi
@@ -1,14 +1,16 @@
-from _typeshed import Incomplete
+from datetime import datetime
+from re import Pattern
+from typing_extensions import Final
 
-MAC_EPOCH: Incomplete
-WINDOWS_EPOCH: Incomplete
+MAC_EPOCH: Final[datetime]
+WINDOWS_EPOCH: Final[datetime]
 # The following two constants are defined twice in the implementation.
 CALENDAR_WINDOWS_1900 = WINDOWS_EPOCH
 CALENDAR_MAC_1904 = MAC_EPOCH
-SECS_PER_DAY: int
-ISO_FORMAT: str
-ISO_REGEX: Incomplete
-ISO_DURATION: Incomplete
+SECS_PER_DAY: Final = 86400
+ISO_FORMAT: Final = "%Y-%m-%dT%H:%M:%SZ"
+ISO_REGEX: Final[Pattern[str]]
+ISO_DURATION: Final[Pattern[str]]
 
 def to_ISO8601(dt): ...
 def from_ISO8601(formatted_string): ...
diff --git a/stubs/openpyxl/openpyxl/utils/formulas.pyi b/stubs/openpyxl/openpyxl/utils/formulas.pyi
index 8e49ec3ad..6d16169b1 100644
--- a/stubs/openpyxl/openpyxl/utils/formulas.pyi
+++ b/stubs/openpyxl/openpyxl/utils/formulas.pyi
@@ -1,3 +1,3 @@
-from _typeshed import Incomplete
+from typing_extensions import Final
 
-FORMULAE: Incomplete
+FORMULAE: Final[frozenset[str]]
diff --git a/stubs/openpyxl/openpyxl/utils/inference.pyi b/stubs/openpyxl/openpyxl/utils/inference.pyi
index b8411c805..85e0441c6 100644
--- a/stubs/openpyxl/openpyxl/utils/inference.pyi
+++ b/stubs/openpyxl/openpyxl/utils/inference.pyi
@@ -1,8 +1,9 @@
-from _typeshed import Incomplete
+from re import Pattern
+from typing_extensions import Final
 
-PERCENT_REGEX: Incomplete
-TIME_REGEX: Incomplete
-NUMBER_REGEX: Incomplete
+PERCENT_REGEX: Final[Pattern[str]]
+TIME_REGEX: Final[Pattern[str]]
+NUMBER_REGEX: Final[Pattern[str]]
 
 def cast_numeric(value): ...
 def cast_percentage(value): ...
diff --git a/stubs/openpyxl/openpyxl/utils/units.pyi b/stubs/openpyxl/openpyxl/utils/units.pyi
index 8f9c3d1a5..6264bc826 100644
--- a/stubs/openpyxl/openpyxl/utils/units.pyi
+++ b/stubs/openpyxl/openpyxl/utils/units.pyi
@@ -1,11 +1,11 @@
-from _typeshed import Incomplete
+from typing_extensions import Final
 
-DEFAULT_ROW_HEIGHT: float
-BASE_COL_WIDTH: int
-DEFAULT_COLUMN_WIDTH: Incomplete
-DEFAULT_LEFT_MARGIN: float
-DEFAULT_TOP_MARGIN: float
-DEFAULT_HEADER: float
+DEFAULT_ROW_HEIGHT: Final[float]
+BASE_COL_WIDTH: Final = 8
+DEFAULT_COLUMN_WIDTH: Final = 13
+DEFAULT_LEFT_MARGIN: Final[float]
+DEFAULT_TOP_MARGIN: Final[float]
+DEFAULT_HEADER: Final[float]
 
 def inch_to_dxa(value): ...
 def dxa_to_inch(value): ...
diff --git a/stubs/openpyxl/openpyxl/workbook/child.pyi b/stubs/openpyxl/openpyxl/workbook/child.pyi
index b74da8ee3..fa39d2e42 100644
--- a/stubs/openpyxl/openpyxl/workbook/child.pyi
+++ b/stubs/openpyxl/openpyxl/workbook/child.pyi
@@ -1,6 +1,8 @@
 from _typeshed import Incomplete
+from re import Pattern
+from typing_extensions import Final
 
-INVALID_TITLE_REGEX: Incomplete
+INVALID_TITLE_REGEX: Final[Pattern[str]]
 
 def avoid_duplicate_name(names, value): ...
 
diff --git a/stubs/openpyxl/openpyxl/workbook/defined_name.pyi b/stubs/openpyxl/openpyxl/workbook/defined_name.pyi
index 9aa62c731..f4b33db33 100644
--- a/stubs/openpyxl/openpyxl/workbook/defined_name.pyi
+++ b/stubs/openpyxl/openpyxl/workbook/defined_name.pyi
@@ -2,14 +2,14 @@ from _typeshed import Incomplete
 from collections import defaultdict
 from collections.abc import Generator
 from re import Pattern
-from typing_extensions import Literal
+from typing_extensions import Final, Literal
 
 from openpyxl.descriptors import Sequence
 from openpyxl.descriptors.base import Alias, Bool, Integer, String, _ConvertibleToBool, _ConvertibleToInt
 from openpyxl.descriptors.serialisable import Serialisable
 
-RESERVED: frozenset[str]
-RESERVED_REGEX: Pattern[str]
+RESERVED: Final[frozenset[str]]
+RESERVED_REGEX: Final[Pattern[str]]
 
 class DefinedName(Serialisable):
     tagname: str
diff --git a/stubs/openpyxl/openpyxl/workbook/workbook.pyi b/stubs/openpyxl/openpyxl/workbook/workbook.pyi
index 3fc2bf03e..c609d6b3e 100644
--- a/stubs/openpyxl/openpyxl/workbook/workbook.pyi
+++ b/stubs/openpyxl/openpyxl/workbook/workbook.pyi
@@ -2,6 +2,7 @@ from _typeshed import Incomplete, StrPath
 from collections.abc import Iterator
 from datetime import datetime
 from typing import IO
+from typing_extensions import Final
 
 from openpyxl.chartsheet.chartsheet import Chartsheet
 from openpyxl.styles.named_styles import NamedStyle
@@ -9,7 +10,7 @@ from openpyxl.workbook.child import _WorkbookChild
 from openpyxl.worksheet._write_only import WriteOnlyWorksheet
 from openpyxl.worksheet.worksheet import Worksheet
 
-INTEGER_TYPES: Incomplete
+INTEGER_TYPES: Final[tuple[type[int]]]
 
 class Workbook:
     template: bool
diff --git a/stubs/openpyxl/openpyxl/worksheet/_reader.pyi b/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
index fc1d7028f..840801abb 100644
--- a/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/_reader.pyi
@@ -1,40 +1,41 @@
 import datetime
 from _typeshed import Incomplete
 from collections.abc import Container, Generator
+from typing_extensions import Final
 
 from .hyperlink import HyperlinkList
 from .pagebreak import ColBreak, RowBreak
 from .protection import SheetProtection
 from .table import TablePartList
 
-CELL_TAG: Incomplete
-VALUE_TAG: Incomplete
-FORMULA_TAG: Incomplete
-MERGE_TAG: Incomplete
-INLINE_STRING: Incomplete
-COL_TAG: Incomplete
-ROW_TAG: Incomplete
-CF_TAG: Incomplete
-LEGACY_TAG: Incomplete
-PROT_TAG: Incomplete
-EXT_TAG: Incomplete
-HYPERLINK_TAG: Incomplete
-TABLE_TAG: Incomplete
-PRINT_TAG: Incomplete
-MARGINS_TAG: Incomplete
-PAGE_TAG: Incomplete
-HEADER_TAG: Incomplete
-FILTER_TAG: Incomplete
-VALIDATION_TAG: Incomplete
-PROPERTIES_TAG: Incomplete
-VIEWS_TAG: Incomplete
-FORMAT_TAG: Incomplete
-ROW_BREAK_TAG: Incomplete
-COL_BREAK_TAG: Incomplete
-SCENARIOS_TAG: Incomplete
-DATA_TAG: Incomplete
-DIMENSION_TAG: Incomplete
-CUSTOM_VIEWS_TAG: Incomplete
+CELL_TAG: Final[str]
+VALUE_TAG: Final[str]
+FORMULA_TAG: Final[str]
+MERGE_TAG: Final[str]
+INLINE_STRING: Final[str]
+COL_TAG: Final[str]
+ROW_TAG: Final[str]
+CF_TAG: Final[str]
+LEGACY_TAG: Final[str]
+PROT_TAG: Final[str]
+EXT_TAG: Final[str]
+HYPERLINK_TAG: Final[str]
+TABLE_TAG: Final[str]
+PRINT_TAG: Final[str]
+MARGINS_TAG: Final[str]
+PAGE_TAG: Final[str]
+HEADER_TAG: Final[str]
+FILTER_TAG: Final[str]
+VALIDATION_TAG: Final[str]
+PROPERTIES_TAG: Final[str]
+VIEWS_TAG: Final[str]
+FORMAT_TAG: Final[str]
+ROW_BREAK_TAG: Final[str]
+COL_BREAK_TAG: Final[str]
+SCENARIOS_TAG: Final[str]
+DATA_TAG: Final[str]
+DIMENSION_TAG: Final[str]
+CUSTOM_VIEWS_TAG: Final[str]
 
 class WorkSheetParser:
     min_row: Incomplete | None
diff --git a/stubs/openpyxl/openpyxl/worksheet/_writer.pyi b/stubs/openpyxl/openpyxl/worksheet/_writer.pyi
index d22d6bb92..a76d960d6 100644
--- a/stubs/openpyxl/openpyxl/worksheet/_writer.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/_writer.pyi
@@ -1,7 +1,7 @@
 from _typeshed import Incomplete
 from collections.abc import Generator
 
-ALL_TEMP_FILES: Incomplete
+ALL_TEMP_FILES: list[str]
 
 def create_temporary_file(suffix: str = ""): ...
 
diff --git a/stubs/openpyxl/openpyxl/worksheet/header_footer.pyi b/stubs/openpyxl/openpyxl/worksheet/header_footer.pyi
index 3128bf684..0ed2ab37d 100644
--- a/stubs/openpyxl/openpyxl/worksheet/header_footer.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/header_footer.pyi
@@ -1,21 +1,21 @@
-from _typeshed import Incomplete
+from re import Pattern
 from typing import ClassVar
-from typing_extensions import Literal
+from typing_extensions import Final, Literal
 
 from openpyxl.descriptors import Strict
 from openpyxl.descriptors.base import Alias, Bool, Integer, MatchPattern, String, Typed, _ConvertibleToBool, _ConvertibleToInt
 from openpyxl.descriptors.serialisable import Serialisable
 
-FONT_PATTERN: str
-COLOR_PATTERN: str
-SIZE_REGEX: str
-FORMAT_REGEX: Incomplete
+FONT_PATTERN: Final = '&"(?P<font>.+)"'
+COLOR_PATTERN: Final = "&K(?P<color>[A-F0-9]{6})"
+SIZE_REGEX: Final = r"&(?P<size>\d+\s?)"
+FORMAT_REGEX: Final[Pattern[str]]
 
 class _HeaderFooterPart(Strict):
     text: String[Literal[True]]
     font: String[Literal[True]]
     size: Integer[Literal[True]]
-    RGB: str
+    RGB: ClassVar[str]
     color: MatchPattern[str, Literal[True]]
     def __init__(
         self, text: str | None = None, font: str | None = None, size: _ConvertibleToInt | None = None, color: str | None = None
diff --git a/stubs/openpyxl/openpyxl/worksheet/print_settings.pyi b/stubs/openpyxl/openpyxl/worksheet/print_settings.pyi
index 37f39cdfa..91aeee436 100644
--- a/stubs/openpyxl/openpyxl/worksheet/print_settings.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/print_settings.pyi
@@ -1,7 +1,7 @@
 from _typeshed import Incomplete, Unused
 from re import Pattern
 from typing import overload
-from typing_extensions import Literal, Self
+from typing_extensions import Final, Literal, Self
 
 from openpyxl.descriptors import Integer, Strict, String
 from openpyxl.descriptors.base import Typed, _ConvertibleToInt
@@ -9,12 +9,12 @@ from openpyxl.utils.cell import SHEETRANGE_RE as SHEETRANGE_RE
 
 from .cell_range import MultiCellRange
 
-COL_RANGE: str
-COL_RANGE_RE: Pattern[str]
-ROW_RANGE: str
-ROW_RANGE_RE: Pattern[str]
-TITLES_REGEX: Pattern[str]
-PRINT_AREA_RE: Pattern[str]
+COL_RANGE: Final[str]
+COL_RANGE_RE: Final[Pattern[str]]
+ROW_RANGE: Final[str]
+ROW_RANGE_RE: Final[Pattern[str]]
+TITLES_REGEX: Final[Pattern[str]]
+PRINT_AREA_RE: Final[Pattern[str]]
 
 class ColRange(Strict):
     min_col: String[Literal[False]]
diff --git a/stubs/openpyxl/openpyxl/worksheet/table.pyi b/stubs/openpyxl/openpyxl/worksheet/table.pyi
index ac50fe04d..c07c80b17 100644
--- a/stubs/openpyxl/openpyxl/worksheet/table.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/table.pyi
@@ -1,6 +1,6 @@
 from _typeshed import Incomplete, Unused
 from typing import ClassVar, overload
-from typing_extensions import Literal, TypeAlias
+from typing_extensions import Final, Literal, TypeAlias
 
 from openpyxl.descriptors import Strict, String
 from openpyxl.descriptors.base import Alias, Bool, Integer, NoneSet, Typed, _ConvertibleToBool, _ConvertibleToInt
@@ -13,8 +13,8 @@ _TableColumnTotalsRowFunction: TypeAlias = Literal[
 ]
 _TableTableType: TypeAlias = Literal["worksheet", "xml", "queryTable"]
 
-TABLESTYLES: Incomplete
-PIVOTSTYLES: Incomplete
+TABLESTYLES: Final[tuple[str, ...]]
+PIVOTSTYLES: Final[tuple[str, ...]]
 
 class TableStyleInfo(Serialisable):
     tagname: str
diff --git a/stubs/openpyxl/openpyxl/worksheet/worksheet.pyi b/stubs/openpyxl/openpyxl/worksheet/worksheet.pyi
index 97e75b9ec..d59e9c424 100644
--- a/stubs/openpyxl/openpyxl/worksheet/worksheet.pyi
+++ b/stubs/openpyxl/openpyxl/worksheet/worksheet.pyi
@@ -23,25 +23,28 @@ from openpyxl.worksheet.views import SheetView, SheetViewList
 
 class Worksheet(_WorkbookChild):
     mime_type: str
-    BREAK_NONE: int
-    BREAK_ROW: int
-    BREAK_COLUMN: int
+    BREAK_NONE: Final = 0
+    BREAK_ROW: Final = 1
+    BREAK_COLUMN: Final = 2
+
     SHEETSTATE_VISIBLE: Final = "visible"
     SHEETSTATE_HIDDEN: Final = "hidden"
     SHEETSTATE_VERYHIDDEN: Final = "veryHidden"
-    PAPERSIZE_LETTER: str
-    PAPERSIZE_LETTER_SMALL: str
-    PAPERSIZE_TABLOID: str
-    PAPERSIZE_LEDGER: str
-    PAPERSIZE_LEGAL: str
-    PAPERSIZE_STATEMENT: str
-    PAPERSIZE_EXECUTIVE: str
-    PAPERSIZE_A3: str
-    PAPERSIZE_A4: str
-    PAPERSIZE_A4_SMALL: str
-    PAPERSIZE_A5: str
-    ORIENTATION_PORTRAIT: str
-    ORIENTATION_LANDSCAPE: str
+
+    PAPERSIZE_LETTER: Final = "1"
+    PAPERSIZE_LETTER_SMALL: Final = "2"
+    PAPERSIZE_TABLOID: Final = "3"
+    PAPERSIZE_LEDGER: Final = "4"
+    PAPERSIZE_LEGAL: Final = "5"
+    PAPERSIZE_STATEMENT: Final = "6"
+    PAPERSIZE_EXECUTIVE: Final = "7"
+    PAPERSIZE_A3: Final = "8"
+    PAPERSIZE_A4: Final = "9"
+    PAPERSIZE_A4_SMALL: Final = "10"
+    PAPERSIZE_A5: Final = "11"
+
+    ORIENTATION_PORTRAIT: Final = "portrait"
+    ORIENTATION_LANDSCAPE: Final = "landscape"
 
     row_dimensions: DimensionHolder[RowDimension]
     column_dimensions: DimensionHolder[ColumnDimension]
diff --git a/stubs/openpyxl/openpyxl/xml/__init__.pyi b/stubs/openpyxl/openpyxl/xml/__init__.pyi
index 9c4670087..517f09dd4 100644
--- a/stubs/openpyxl/openpyxl/xml/__init__.pyi
+++ b/stubs/openpyxl/openpyxl/xml/__init__.pyi
@@ -1,11 +1,11 @@
-from _typeshed import Incomplete
+from typing_extensions import Final
 
 def lxml_available(): ...
 def lxml_env_set(): ...
 
-LXML: Incomplete
+LXML: Final[bool]
 
 def defusedxml_available(): ...
 def defusedxml_env_set(): ...
 
-DEFUSEDXML: Incomplete
+DEFUSEDXML: Final[bool]
diff --git a/stubs/openpyxl/openpyxl/xml/constants.pyi b/stubs/openpyxl/openpyxl/xml/constants.pyi
index 63217f413..0903b9c24 100644
--- a/stubs/openpyxl/openpyxl/xml/constants.pyi
+++ b/stubs/openpyxl/openpyxl/xml/constants.pyi
@@ -1,74 +1,91 @@
-from _typeshed import Incomplete
+from typing_extensions import Final
 
-MIN_ROW: int
-MIN_COLUMN: int
-MAX_COLUMN: int
-MAX_ROW: int
-PACKAGE_PROPS: str
-PACKAGE_XL: str
-PACKAGE_RELS: str
-PACKAGE_THEME: Incomplete
-PACKAGE_WORKSHEETS: Incomplete
-PACKAGE_CHARTSHEETS: Incomplete
-PACKAGE_DRAWINGS: Incomplete
-PACKAGE_CHARTS: Incomplete
-PACKAGE_IMAGES: Incomplete
-PACKAGE_WORKSHEET_RELS: Incomplete
-PACKAGE_CHARTSHEETS_RELS: Incomplete
-PACKAGE_PIVOT_TABLE: Incomplete
-PACKAGE_PIVOT_CACHE: Incomplete
-ARC_CONTENT_TYPES: str
-ARC_ROOT_RELS: Incomplete
-ARC_WORKBOOK_RELS: Incomplete
-ARC_CORE: Incomplete
-ARC_APP: Incomplete
-ARC_WORKBOOK: Incomplete
-ARC_STYLE: Incomplete
-ARC_THEME: Incomplete
-ARC_SHARED_STRINGS: Incomplete
-ARC_CUSTOM_UI: str
-XML_NS: str
-DCORE_NS: str
-DCTERMS_NS: str
-DCTERMS_PREFIX: str
-DOC_NS: str
-REL_NS: Incomplete
-COMMENTS_NS: Incomplete
-IMAGE_NS: Incomplete
-VML_NS: Incomplete
-VTYPES_NS: Incomplete
-XPROPS_NS: Incomplete
-EXTERNAL_LINK_NS: Incomplete
-PKG_NS: str
-PKG_REL_NS: Incomplete
-COREPROPS_NS: Incomplete
-CONTYPES_NS: Incomplete
-XSI_NS: str
-SHEET_MAIN_NS: str
-CHART_NS: str
-DRAWING_NS: str
-SHEET_DRAWING_NS: str
-CHART_DRAWING_NS: str
-CUSTOMUI_NS: str
-NAMESPACES: Incomplete
-WORKBOOK_MACRO: str
-WORKBOOK: str
-SPREADSHEET: str
-SHARED_STRINGS: Incomplete
-EXTERNAL_LINK: Incomplete
-WORKSHEET_TYPE: Incomplete
-COMMENTS_TYPE: Incomplete
-STYLES_TYPE: Incomplete
-CHARTSHEET_TYPE: Incomplete
-DRAWING_TYPE: str
-CHART_TYPE: str
-CHARTSHAPE_TYPE: str
-THEME_TYPE: str
-XLTM: Incomplete
-XLSM: Incomplete
-XLTX: Incomplete
-XLSX: Incomplete
-EXT_TYPES: Incomplete
-CTRL: str
-ACTIVEX: str
-VBA: str
+MIN_ROW: Final = 0
+MIN_COLUMN: Final = 0
+MAX_COLUMN: Final = 16384
+MAX_ROW: Final = 1048576
+
+PACKAGE_PROPS: Final = "docProps"
+PACKAGE_XL: Final = "xl"
+PACKAGE_RELS: Final = "_rels"
+PACKAGE_THEME: Final = "xl/theme"
+PACKAGE_WORKSHEETS: Final = "xl/worksheets"
+PACKAGE_CHARTSHEETS: Final = "xl/chartsheets"
+PACKAGE_DRAWINGS: Final = "xl/drawings"
+PACKAGE_CHARTS: Final = "xl/charts"
+PACKAGE_IMAGES: Final = "xl/media"
+PACKAGE_WORKSHEET_RELS: Final = "xl/worksheets/_rels"
+PACKAGE_CHARTSHEETS_RELS: Final = "xl/chartsheets/_rels"
+PACKAGE_PIVOT_TABLE: Final = "xl/pivotTables"
+PACKAGE_PIVOT_CACHE: Final = "xl/pivotCache"
+
+ARC_CONTENT_TYPES: Final = "[Content_Types].xml"
+ARC_ROOT_RELS: Final = "_rels/.rels"
+ARC_WORKBOOK_RELS: Final = "xl/_rels/workbook.xml.rels"
+ARC_CORE: Final = "docProps/core.xml"
+ARC_APP: Final = "docProps/app.xml"
+ARC_CUSTOM: Final = "docProps/custom.xml"
+ARC_WORKBOOK: Final = "xl/workbook.xml"
+ARC_STYLE: Final = "xl/styles.xml"
+ARC_THEME: Final = "xl/theme/theme1.xml"
+ARC_SHARED_STRINGS: Final = "xl/sharedStrings.xml"
+ARC_CUSTOM_UI: Final = "customUI/customUI.xml"
+
+DCORE_NS: Final = "http://purl.org/dc/elements/1.1/"
+DCTERMS_NS: Final = "http://purl.org/dc/terms/"
+DCTERMS_PREFIX: Final = "dcterms"
+
+DOC_NS: Final[str]
+REL_NS: Final[str]
+COMMENTS_NS: Final[str]
+IMAGE_NS: Final[str]
+VML_NS: Final[str]
+VTYPES_NS: Final[str]
+XPROPS_NS: Final[str]
+CUSTPROPS_NS: Final[str]
+EXTERNAL_LINK_NS: Final[str]
+
+CPROPS_FMTID: Final = "{D5CDD505-2E9C-101B-9397-08002B2CF9AE}"
+
+PKG_NS: Final = "http://schemas.openxmlformats.org/package/2006/"
+PKG_REL_NS: Final[str]
+COREPROPS_NS: Final[str]
+CONTYPES_NS: Final[str]
+
+XSI_NS: Final = "http://www.w3.org/2001/XMLSchema-instance"
+XML_NS: Final = "http://www.w3.org/XML/1998/namespace"
+SHEET_MAIN_NS: Final[str]
+
+CHART_NS: Final[str]
+DRAWING_NS: Final[str]
+SHEET_DRAWING_NS: Final[str]
+CHART_DRAWING_NS: Final[str]
+
+CUSTOMUI_NS: Final[str]
+
+NAMESPACES: Final[dict[str, str]]
+
+WORKBOOK_MACRO: Final = "application/vnd.ms-excel.%s.macroEnabled.main+xml"
+WORKBOOK: Final[str]
+SPREADSHEET: Final[str]
+SHARED_STRINGS: Final[str]
+EXTERNAL_LINK: Final[str]
+WORKSHEET_TYPE: Final[str]
+COMMENTS_TYPE: Final[str]
+STYLES_TYPE: Final[str]
+CHARTSHEET_TYPE: Final[str]
+DRAWING_TYPE: Final[str]
+CHART_TYPE: Final[str]
+CHARTSHAPE_TYPE: Final[str]
+THEME_TYPE: Final[str]
+CPROPS_TYPE: Final[str]
+XLTM: Final[str]
+XLSM: Final[str]
+XLTX: Final[str]
+XLSX: Final[str]
+
+EXT_TYPES: Final[dict[str, str]]
+
+CTRL: Final = "application/vnd.ms-excel.controlproperties+xml"
+ACTIVEX: Final = "application/vnd.ms-office.activeX+xml"
+VBA: Final = "application/vnd.ms-office.vbaProject"
diff --git a/stubs/openpyxl/openpyxl/xml/functions.pyi b/stubs/openpyxl/openpyxl/xml/functions.pyi
index c9438a9e7..6abacd8af 100644
--- a/stubs/openpyxl/openpyxl/xml/functions.pyi
+++ b/stubs/openpyxl/openpyxl/xml/functions.pyi
@@ -1,7 +1,8 @@
-from _typeshed import Incomplete
+from re import Pattern
+from typing_extensions import Final
 from xml.etree.ElementTree import Element as Element  # possibly also imported from lxml
 
-NS_REGEX: Incomplete
+NS_REGEX: Final[Pattern[str]]
 
 def localname(node): ...
 def whitespace(node) -> None: ...