aal80

Allow full SDK client initialization for newly created clients based on environment variable

5

### Describe the feature When creating a new Client object, the client is not fully initialized until the first request is made. It looks like internal components/dependencies are loaded lazily...

EndpointId parameter required for EventBridge Global Endpoints is not supported with v2 SDK

2

### Describe the bug According to [v2 JS SDK Docs](https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/EventBridge.html#putEvents-property), it is possible to supply the EndpointId parameter required to use EventBridge Global Endpoints According to the [AWS SDKs and...

TCP Keepalive probes are not sent when using AWS JS SDK

2

## Describe the bug AWS NAT Gateway/VPCE have [350 seconds timeout](https://docs.aws.amazon.com/vpc/latest/userguide/nat-gateway-troubleshooting.html#nat-gateway-troubleshooting-timeout) for idle connections. After 350 seconds the connection will be ungracefully closed by sending a RST packet and become...