NewAPIMetrics returns a new APIMetrics for the provided TableType.

NewStreamsMetricsAPI returns a new StreamsMetricsAPI for the provided TableType.

Backend is a table used to store backend data.

Events is a table used to store audit events.

APIMetrics wraps a dynamodbiface.DynamoDBAPI implementation and reports statistics about the dynamo api operations.

StreamsMetricsAPI wraps a dynamodbstreamsiface.DynamoDBStreamsAPI implementation and reports statistics about the dynamo api operations.

TableType indicates which type of table metrics are being calculated for.