annotation-analytics-aggregation-collection

Description

Aggregation entities are required by the api consistency guidelines for API Consistency Guidelines#AnalyticsAPIs. These are used to summarize annotations for a given dataset and will be used to populate UI elements. Aggregations need to have the fields that identify the exact scope that they’re summarizing. Any filters to the list API we apply would have to show up in the aggregation. We should limit the number of filters and dimensions as much as possible.