BatchGetItem Retrieve Dynamodb items in a batch process Return the retrieved item as a slice of type `T`.

BatchWriteItem Write Dynamodb items in a batch process.

DeleteItem Delete DynamoDB item expression: https://docs.aws.amazon.com/sdk-for-go/api/service/dynamodb/expression/#example_Builder_WithUpdate Mapping the retrieved item to `out`, must be a pointer to the `out`.

GetItem Get the item in DynamoDB Mapping the retrieved item to `out`, must be a pointer to the `out`.

PutItem Put the item in DynamoDB Upsert if it does not exist.

UpdateItem Update the attributes of the item in DynamoDB Upsert if it does not exist expression: https://docs.aws.amazon.com/sdk-for-go/api/service/dynamodb/expression/#example_Builder_WithUpdate.