The handler form's published name, kept pointing at the handler alone: it shipped as a callable
type, and widening it to a union would stop compiling for anyone who calls what they typed with
it. SearchReplaceDefinition is the union replaceSearch accepts.
The handler form's published name, kept pointing at the handler alone: it shipped as a callable type, and widening it to a union would stop compiling for anyone who calls what they typed with it.
SearchReplaceDefinitionis the unionreplaceSearchaccepts.