ConfigFromContext returns the configuration provider from the context or an error if no configuration provider is found in the context.

MustConfigFromContext returns the configuration provider from the context or panics if no configuration provider is found in the context.

SetNIDContext sets the nid for the given context.

WithConfig returns a new context with the given configuration provider.

ErrNoConfigInContext is returned when no config is found in the context.

TestContextualizer is a mock implementation of the Contextualizer interface.