1. aws_lambda_dart_runtime
2. apigateway_event
3. AwsApiGatewayEvent
4. headers property

AwsApiGatewayEvent class

1. Constructors
2. AwsApiGatewayEvent
3. fromJson
4. Properties
5. body
6. hashCode
7. headers
8. httpMethod
9. path
10. pathParameters
11. queryStringParameters
12. requestContext
13. resource
14. runtimeType
15. stageVariables
16. Methods
17. noSuchMethod
18. toJson
19. toString
20. Operators
21. operator ==