func (model *Model) String() string {
	services := make([]string, len(model.Services))
	for idx, svc := range model.Services {
		if svc == nil {
			continue
		}
		services[idx] = svc.String()
	}
	return strings.Join(services, "\n\n")
}
String returns a string representation of this Model.
package protomodel
import (
	"fmt"
	"strings"
	"github.com/googleapis/gapic-showcase/util/genrest/errorhandling"
	"github.com/googleapis/gapic-showcase/util/genrest/internal/pbinfo"
	"google.golang.org/protobuf/types/descriptorpb"
)
type Model struct {
	errorhandling.Accumulator
	ProtoInfo pbinfo.Info
	Services  []*Service
}