ArcGIS Pro 2.8 API Reference Guide
IMetadataSource Interface
Members 

ArcGIS.Desktop.Mapping Namespace : IMetadataSource Interface
Indicates if metadata can be retrieved from a source (other than itself - eg an underlying dataset)
Syntax
public interface IMetadataSource 
Public Interface IMetadataSource 
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

IMetadataSource Members
ArcGIS.Desktop.Mapping Namespace