NewController creates a new Controller instance.

MetricImpersonationDuration tracks the duration of impersonation operations.

MetricImpersonationErrors is the total number of errors encountered while making impersonation requests.

MetricImpersonationTotal is the total number of impersonation requests made by the controller.

Controller manages the reconciliation of a single instance of a ResourceGraphDefinition, / it is responsible for reconciling the instance and its sub-resources.

InstanceState tracks the overall state of resources being managed.

ReconcileConfig holds configuration parameters for the recnociliation process.

ResourceState represents the state and any associated error of a resource being managed by the controller.