code: def unsigned_integer() -> SelectorType:
      """
      Select all unsigned integer columns.
  
      See Also
      --------
      by_dtype : Select columns by dtype.
      float : Select all float columns.
      integer : Select all integer columns.
      numeric : Select all numeric columns.
      signed_integer : Select all signed integer columns.
  
      Examples
      --------
      >>> import polars.selectors as cs
      >>> df = pl.DataFrame(
      ...     {
      ...         "foo": [-123, -456],
      ...         "bar": [3456, 6789],
      ...         "baz": [7654, 4321],
      ...         "zap": ["ab", "cd"],
      ...     },
      ...     schema_overrides={"bar": pl.UInt32, "baz": pl.UInt64},
      ... )
  
      Select all unsigned integer columns:
  
      >>> df.select(cs.unsigned_integer())
      shape: (2, 2)
      ┌──────┬──────┐
      │ bar  ┆ baz  │
      │ ---  ┆ ---  │
      │ u32  ┆ u64  │
      ╞══════╪══════╡
      │ 3456 ┆ 7654 │
      │ 6789 ┆ 4321 │
      └──────┴──────┘
  
      Select all columns *except* for those that are unsigned integers:
  
      >>> df.select(~cs.unsigned_integer())
      shape: (2, 2)
      ┌──────┬─────┐
      │ foo  ┆ zap │
      │ ---  ┆ --- │
      │ i64  ┆ str │
      ╞══════╪═════╡
      │ -123 ┆ ab  │
      │ -456 ┆ cd  │
      └──────┴─────┘
  
      Select all integer columns (both signed and unsigned):
  
      >>> df.select(cs.integer())
      shape: (2, 3)
      ┌──────┬──────┬──────┐
      │ foo  ┆ bar  ┆ baz  │
      │ ---  ┆ ---  ┆ ---  │
      │ i64  ┆ u32  ┆ u64  │
      ╞══════╪══════╪══════╡
      │ -123 ┆ 3456 ┆ 7654 │
      │ -456 ┆ 6789 ┆ 4321 │
      └──────┴──────┴──────┘
  
      """
      return _selector_proxy_(
          F.col(UNSIGNED_INTEGER_DTYPES), name="unsigned_integer"
      )
  
imports: from __future__ import annotations
  import re
  from datetime import timezone
  from functools import reduce
  from operator import or_
  from typing import TYPE_CHECKING, Any, Collection, Literal, Mapping, overload
  from polars import functions
  from polars.datatypes import FLOAT_DTYPES, INTEGER_DTYPES, NUMERIC_DTYPES, SIGNED_INTEGER_DTYPES, TEMPORAL_DTYPES, UNSIGNED_INTEGER_DTYPES, Binary, Boolean, Categorical, Date, Datetime, Decimal, Duration, Object, String, Time, is_polars_dtype
  from polars.expr import Expr
  from polars.utils.deprecation import deprecate_nonkeyword_arguments
  from polars.utils.various import is_column
label_desc: Use image node_id 26 for calling a global function with example usage: unsigned_integer() and returns: _selector_proxy_