Namespace

Symfony\Component\Config\Definition

ArrayNode Represents an Array node in the config tree.
BaseNode The base node class
BooleanNode This node represents a Boolean value in the config tree.
Processor This class is the entry point for config normalization/merging/finalization.
PrototypedArrayNode Represents a prototyped Array node in the config tree.
ScalarNode This node represents a scalar value in the config tree.
VariableNode This node represents a value of variable type in the config tree.

Interfaces

ConfigurationInterface Configuration interface
NodeInterface Common Interface among all nodes.
PrototypeNodeInterface This interface must be implemented by nodes which can be used as prototypes.