from typing import Any, Optional

def load_endpoint_json(path): ...
def merge_endpoints(defaults, additions): ...
def load_regions(): ...
def get_regions(service_name, region_cls: Optional[Any] = ..., connection_cls: Optional[Any] = ...): ...

class RegionInfo:
    connection = ...  # type: Any
    name = ...  # type: Any
    endpoint = ...  # type: Any
    connection_cls = ...  # type: Any
    def __init__(self, connection: Optional[Any] = ..., name: Optional[Any] = ..., endpoint: Optional[Any] = ..., connection_cls: Optional[Any] = ...) -> None: ...
    def startElement(self, name, attrs, connection): ...
    def endElement(self, name, value, connection): ...
    def connect(self, **kw_params): ...