diff --git a/pandas/io/parsers.pyi b/pandas/io/parsers.pyi
index 696616d6..aab90246 100644
--- a/pandas/io/parsers.pyi
+++ b/pandas/io/parsers.pyi
@@ -3,7 +3,7 @@ from collections import abc
 import sys
 from pandas._typing import FilePathOrBuffer as FilePathOrBuffer, Scalar
 from pandas.core.frame import DataFrame as DataFrame
-from typing import Any, Callable, IO, List, Mapping, Optional, Sequence, Union, overload
+from typing import Any, Callable, List, Mapping, Optional, Sequence, Union, overload
 if sys.version_info >= (3, 8):
     from typing import Literal
 else:
@@ -11,7 +11,8 @@ else:
 
 @overload
 def read_csv(
-    reader: IO,
+    reader: FilePathOrBuffer,
+    *,
     sep: str = ...,
     delimiter: Optional[str] = ...,
     header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
@@ -41,7 +42,7 @@ def read_csv(
     date_parser: Optional[Callable] = ...,
     dayfirst: bool = ...,
     cache_dates: bool = ...,
-    iterator: bool = ...,
+    iterator: Literal[True],
     chunksize: Optional[int] = ...,
     compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
     thousands: Optional[str] = ...,
@@ -61,10 +62,116 @@ def read_csv(
     memory_map: bool = ...,
     float_precision: Optional[str] = ...,
 ) -> TextFileReader: ...
-
 @overload
 def read_csv(
     filepath: FilePathOrBuffer,
+    *,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, Union[bool, Literal[False]]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: Literal[False],
+    chunksize: int,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
+) -> TextFileReader: ...
+@overload
+def read_csv(
+    filepath: FilePathOrBuffer,
+    *,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, Union[bool, Literal[False]]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: Literal[False] = ...,
+    chunksize: None = ...,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
+) -> DataFrame: ...
+@overload
+def read_csv(
+    filepath: FilePathOrBuffer,
+    *,
     sep: str = ...,
     delimiter: Optional[str] = ...,
     header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
@@ -95,6 +202,111 @@ def read_csv(
     dayfirst: bool = ...,
     cache_dates: bool = ...,
     iterator: bool = ...,
+    chunksize: int = ...,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
+) -> TextFileReader: ...
+@overload
+def read_csv(
+    filepath: FilePathOrBuffer,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, Union[bool, Literal[False]]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: bool = ...,
+    chunksize: int = ...,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
+) -> DataFrame: ...
+@overload
+def read_table(
+    reader: FilePathOrBuffer,
+    *,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, bool, Literal[False]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: Literal[True],
     chunksize: Optional[int] = ...,
     compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
     thousands: Optional[str] = ...,
@@ -113,11 +325,117 @@ def read_csv(
     low_memory: bool = ...,
     memory_map: bool = ...,
     float_precision: Optional[str] = ...,
+) -> TextFileReader: ...
+@overload
+def read_table(
+    filepath: FilePathOrBuffer,
+    *,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, bool, Literal[False]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: Literal[False],
+    chunksize: int,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
+) -> TextFileReader: ...
+@overload
+def read_table(
+    filepath: FilePathOrBuffer,
+    *,
+    sep: str = ...,
+    delimiter: Optional[str] = ...,
+    header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
+    names: Optional[Sequence[str]] = ...,
+    index_col: Optional[Union[int, str, Sequence, bool, Literal[False]]] = ...,
+    usecols: Optional[Union[int, str, Sequence]] = ...,
+    squeeze: bool = ...,
+    prefix: Optional[str] = ...,
+    mangle_dupe_cols: bool = ...,
+    dtype: Optional[Union[str, Mapping[str, Any]]] = ...,
+    engine: Optional[Union[str, Literal["c", "python"]]] = ...,
+    converters: Optional[Mapping[Union[int, str], Callable]] = ...,
+    true_values: Optional[Sequence[Scalar]] = ...,
+    false_values: Optional[Sequence[Scalar]] = ...,
+    skipinitialspace: bool = ...,
+    skiprows: Optional[Union[Sequence, int, Callable]] = ...,
+    skipfooter: int = ...,
+    nrows: Optional[int] = ...,
+    na_values = ...,
+    keep_default_na: bool = ...,
+    na_filter: bool = ...,
+    verbose: bool = ...,
+    skip_blank_lines: bool = ...,
+    parse_dates: Union[bool, List[int], List[str]] = ...,
+    infer_datetime_format: bool = ...,
+    keep_date_col: bool = ...,
+    date_parser: Optional[Callable] = ...,
+    dayfirst: bool = ...,
+    cache_dates: bool = ...,
+    iterator: Literal[False] = ...,
+    chunksize: None = ...,
+    compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
+    thousands: Optional[str] = ...,
+    decimal: Optional[str] = ...,
+    lineterminator: Optional[str] = ...,
+    quotechar: str = ...,
+    quoting: int = ...,
+    doublequote: bool = ...,
+    escapechar: Optional[str] = ...,
+    comment: Optional[str] = ...,
+    encoding: Optional[str] = ...,
+    dialect: Optional[str] = ...,
+    error_bad_lines: bool = ...,
+    warn_bad_lines: bool = ...,
+    delim_whitespace: bool = ...,
+    low_memory: bool = ...,
+    memory_map: bool = ...,
+    float_precision: Optional[str] = ...,
 ) -> DataFrame: ...
-
 @overload
 def read_table(
-    reader: IO,
+    filepath: FilePathOrBuffer,
+    *,
     sep: str = ...,
     delimiter: Optional[str] = ...,
     header: Union[int, Sequence[int], str, Literal["infer"]] = ...,
@@ -148,7 +466,7 @@ def read_table(
     dayfirst: bool = ...,
     cache_dates: bool = ...,
     iterator: bool = ...,
-    chunksize: Optional[int] = ...,
+    chunksize: int = ...,
     compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
     thousands: Optional[str] = ...,
     decimal: Optional[str] = ...,
@@ -167,7 +485,6 @@ def read_table(
     memory_map: bool = ...,
     float_precision: Optional[str] = ...,
 ) -> TextFileReader: ...
-
 @overload
 def read_table(
     filepath: FilePathOrBuffer,
@@ -201,7 +518,7 @@ def read_table(
     dayfirst: bool = ...,
     cache_dates: bool = ...,
     iterator: bool = ...,
-    chunksize: Optional[int] = ...,
+    chunksize: int = ...,
     compression: Optional[Union[str, Literal["infer", "gzip", "bz2", "zip", "xz"]]] = ...,
     thousands: Optional[str] = ...,
     decimal: Optional[str] = ...,
@@ -219,7 +536,7 @@ def read_table(
     low_memory: bool = ...,
     memory_map: bool = ...,
     float_precision: Optional[str] = ...,
-) -> DataFrame: ...
+) -> TextFileReader: ...
 
 def read_fwf(filepath_or_buffer: FilePathOrBuffer, colspecs=..., widths=..., infer_nrows=..., **kwds) : ...