children() Returns a builder to add children nodes.

setAllowOverwrite(bool $allow) Sets if this node can be overridden.

final mixed normalize(mixed $value) Normalizes a value, applying all normalization

ExprBuilder

NodeDefinition|$this

static array buildExpressions(array $expressions) Builds the expressions.

setExample(string|array $example) Sets the example configuration for this node.

serialize() {@inheritdoc}

setIgnoreExtraKeys(bool $boolean, bool $remove = true) Whether extra keys should just be ignore without

class TreeBuilder implements