Remove unread private transport members

internal/engine/directives.go

@@ -19,11 +19,9 @@ const (
 )
 
 type rootDirectiveExtraction struct {
-	body             *document.Node
-	imports          []importDeclarationSpec
-	sequences        []sequenceDeclarationSpec
-	importsPresent   bool
-	sequencesPresent bool
+	body      *document.Node
+	imports   []importDeclarationSpec
+	sequences []sequenceDeclarationSpec
 }
 
 func splitImportDirectives(root *document.Node) (*document.Node, []importDeclarationSpec, []Diagnostic) {
@@ -74,7 +72,6 @@ func parseRootDirectiveBlock(node *document.Node, directivePath Path, context ro
 		fieldPath := directivePath.Key(entry.Key)
 		switch entry.Key {
 		case "imports":
-			extracted.importsPresent = true
 			if context == rootDirectiveContextOverlay {
 				diagnostics = append(diagnostics, nodeImportDiagnostic(CodeOverlayDirective, fieldPath, "overlays cannot contain imports", entry.Value))
 				continue
@@ -87,7 +84,6 @@ func parseRootDirectiveBlock(node *document.Node, directivePath Path, context ro
 			extracted.imports = append(extracted.imports, parsed...)
 			diagnostics = append(diagnostics, issues...)
 		case "sequences":
-			extracted.sequencesPresent = true
 			if context == rootDirectiveContextImportsOnly {
 				diagnostics = append(diagnostics, sequenceDeclarationDiagnostic(fieldPath, "sequence declarations are not enabled in this extraction context", entry.Value))
 				continue