feat: add project management API

firebase.go

@@ -31,6 +31,7 @@ import (
 	"firebase.google.com/go/v4/iid"
 	"firebase.google.com/go/v4/internal"
 	"firebase.google.com/go/v4/messaging"
+	"firebase.google.com/go/v4/projectmanagement"
 	"firebase.google.com/go/v4/remoteconfig"
 	"firebase.google.com/go/v4/storage"
 	"google.golang.org/api/option"
@@ -139,6 +140,15 @@ func (a *App) AppCheck(ctx context.Context) (*appcheck.Client, error) {
 	return appcheck.NewClient(ctx, conf)
 }
 
+// ProjectManagement returns an instance of projects.Client.
+func (a *App) ProjectManagement(ctx context.Context) (*projectmanagement.Client, error) {
+	conf := &internal.ProjectManagementConfig{
+		ProjectID: a.projectID,
+		Opts:      a.opts,
+	}
+	return projectmanagement.NewClient(ctx, conf)
+}
+
 // RemoteConfig returns an instance of remoteconfig.Client.
 func (a *App) RemoteConfig(ctx context.Context) (*remoteconfig.Client, error) {
 	conf := &internal.RemoteConfigClientConfig{

internal/internal.go

@@ -86,6 +86,12 @@ type AppCheckConfig struct {
 	ProjectID string
 }
 
+// ProjectManagementConfig represents the configuration of Firebase Management service.
+type ProjectManagementConfig struct {
+	Opts      []option.ClientOption
+	ProjectID string
+}
+
 // MockTokenSource is a TokenSource implementation that can be used for testing.
 type MockTokenSource struct {
 	AccessToken string