feat: initial implementation as the proposed gist is

aws_lambda_powertools/utilities/typing.py

@@ -0,0 +1,44 @@
+# -*- coding: utf-8 -*-
+
+"""
+Note: this code is used only by the static type checker!
+This is copied from: https://gist.github.com/alexcasalboni/a545b68ee164b165a74a20a5fee9d133
+"""
+from typing import Any, Dict
+
+LambdaDict = Dict[str, Any]
+
+
+class LambdaCognitoIdentity(object):
+    cognito_identity_id: str
+    cognito_identity_pool_id: str
+
+
+class LambdaClientContextMobileClient(object):
+    installation_id: str
+    app_title: str
+    app_version_name: str
+    app_version_code: str
+    app_package_name: str
+
+
+class LambdaClientContext(object):
+    client: LambdaClientContextMobileClient
+    custom: LambdaDict
+    env: LambdaDict
+
+
+class LambdaContext(object):
+    function_name: str
+    function_version: str
+    invoked_function_arn: str
+    memory_limit_in_mb: int
+    aws_request_id: str
+    log_group_name: str
+    log_stream_name: str
+    identity: LambdaCognitoIdentity
+    client_context: LambdaClientContext
+
+    @staticmethod
+    def get_remaining_time_in_millis() -> int:
+        return 0