feat: Inital commit

vendor/golang.org/x/oauth2/google/externalaccount/programmaticrefreshcredsource.go

@@ -0,0 +1,21 @@
+// Copyright 2024 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package externalaccount
+
+import "context"
+
+type programmaticRefreshCredentialSource struct {
+	supplierOptions      SupplierOptions
+	subjectTokenSupplier SubjectTokenSupplier
+	ctx                  context.Context
+}
+
+func (cs programmaticRefreshCredentialSource) credentialSourceType() string {
+	return "programmatic"
+}
+
+func (cs programmaticRefreshCredentialSource) subjectToken() (string, error) {
+	return cs.subjectTokenSupplier.SubjectToken(cs.ctx, cs.supplierOptions)
+}