topologysort

type CircualDependencyProjectSortError struct {
	Environment string
	Project     string
	// slice of project ids
	DependsOn []string
}

type CircularDependencyConfigSortError struct {
	Config      coordinate.Coordinate
	Environment string
	DependsOn   []coordinate.Coordinate
}

type CircularDependencyParameterSortError struct {
	Config             coordinate.Coordinate
	EnvironmentDetails errors.EnvironmentDetails
	Parameter          string
	DependsOn          []parameter.ParameterReference
}

type ParameterWithName struct {
	Name      string
	Parameter parameter.Parameter
}

type ProjectsPerEnvironment map[string][]project.Project