Creates and set context variables

When an alias command is executed this class provides the validation context to the method

Then logic is called by other validation commands, they have to pass their information

Logic input when is called for validation

Creates a procedure for execution using a provided context and model

Execution engine for RuleProcedure object

Extension class to build validator engine

Execution context for validation engine

Factory for CallValidator or Validator

Definition of a validator signature

Validator contract that allows validating a default object or a set of input parameters

Logic writes Notice to Notification if the result is matched with these results.

Behaviour of validation engine