code: func (ccpack *SignedCDSPackage) GetDepSpec() *pb.ChaincodeDeploymentSpec {
  	//this has to be after creating a package and initializing it
  	//If those steps fail, GetDepSpec() should never be called
  	if ccpack.depSpec == nil {
  		panic("GetDepSpec called on uninitialized package")
  	}
  	return ccpack.depSpec
  }
docs: // GetDepSpec gets the ChaincodeDeploymentSpec from the package