return isset($this->unresolvedChildren
[$name]) ||
isset($this->children
[$name]);
} public function all(): array
{ if ($this->locked
) { throw new BadMethodCallException('FormBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.'
);
} $this->
resolveChildren();
return $this->children;
} public function count(): int
{ if ($this->locked
) { throw new BadMethodCallException('FormBuilder methods cannot be accessed anymore once the builder is turned into a FormConfigInterface instance.'
);
} return \
count($this->children
);
}