You have an Azure Databricks workspace and an Azure Data Lake Storage Gen2 account named storage1. New files are uploaded daily to storage1.

You need to recommend a solution to configure storage1 as a structured streaming source that meets the following requirements:

• Incrementally process new files as they arrive.
• Minimize implementation and maintenance effort.
• Minimize the cost of processing millions of files.
• Support schema inference and schema evolution.

What should you include in the recommendation?