GroupImports groups the passed imports into a GroupedImports.

SortImports performs an in-place sort on the passed imports, sorting each by the Path.

GroupedImports groups imports into different sections, for cleaner import blocks.

Import represents an import of a package in a Go file.

RecursiveAppend is used in templates to give a way to concisely reference nested fields.

ImportSet is a set of Imports (for removing duplicates).