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)

		// all line up (but RawImports can be shorter than the others).
		// That is, for 0 ≤ i < len(RawImports),
		// RawImports[i] is the import string in the program text, and
		// Imports[i] is the expanded import string (vendoring applied or relative path expanded away).
		// Any implicitly added imports appear in Imports and Internal.Imports
		// but not RawImports (because they were not in the source code).

// 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

// Graph method.
//
// The rootModules slice must be sorted according to gover.ModSort.
// The caller must not modify the rootModules slice or direct map after passing
// them to newRequirements.
//
// If vendoring is in effect, the caller must invoke initVendor on the returned
// *Requirements before any other method.
func newRequirements(pruning modPruning, rootModules []module.Version, direct map[string]bool) *Requirements {

			}
		}

		// If the source directory is in GOROOT, then the in-process code works fine
		// and we should keep using it. Moreover, the 'go list' approach below doesn't
		// take standard-library vendoring into account and will fail.
		if _, ok := ctxt.hasSubdir(filepath.Join(ctxt.GOROOT, "src"), absSrcDir); ok {
			return errNoModules
		}
	}