Class Symfony\Component\Config\Definition\Builder\ValidationBuilder

This class builds validation conditions.

Methods
`public`	`__construct(NodeDefinition $node)`	#
`public`	`rule(Closure $closure = null): ExprBuilder\|$this` Registers a closure to run as normalization or an expression builder to build it if null is provided. Registers a closure to run as normalization or an expression builder to build it if null is provided.	#

Properties
`protected`		`$node`	#
`public`		`$rules = []`	#