describeMissingAncestor abstract method

List<DiagnosticsNode> describeMissingAncestor({
  1. required Type expectedAncestorType,
})

Adds a description of a specific type of widget missing from the current build context's ancestry tree.

You can find an example of using this method in debugCheckHasMaterial.

Implementation

List<DiagnosticsNode> describeMissingAncestor({ required Type expectedAncestorType });