sourceLibrary property
Returns the library mirror of the library that imports or exports the targetLibrary.
Implementation
LibraryMirror get sourceLibrary;© 2012 the Dart project authors
Licensed under the BSD 3-Clause "New" or "Revised" License.
https://api.dart.dev/stable/2.18.5/dart-mirrors/LibraryDependencyMirror/sourceLibrary.html