const (
	// ResolveImport means that loadImport should do import path expansion.
	// That is, ResolveImport means that the import path came from
	// a source file and has not been expanded yet to account for
	// vendoring or possible module adjustment.
	// Every import path should be loaded initially with ResolveImport,
	// and then the expanded version (for example with the /vendor/ in it)

// so that the ImportPath uniquely identifies a given copy of a package.
// The Imports, Deps, TestImports, and XTestImports lists also contain these
// expanded import paths. See golang.org/s/go15vendor for more about vendoring.
//
// The error information, if any, is
//
//	type PackageError struct {
//	    ImportStack   []string // shortest path from package named on command line to this one