determineType example

  protected function getDefinitionWithReplacements($base_plugin_id, array $replacements, $exception_on_invalid = TRUE) {
    $definitions = $this->getDefinitions();
    $type = $this->determineType($base_plugin_id, $definitions);
    $definition = $definitions[$type];
    // Check whether this type is an extension of another one and compile it.     if (isset($definition['type'])) {
      $merge = $this->getDefinition($definition['type'], $exception_on_invalid);
      // Preserve integer keys on merge, so sequence item types can override       // parent settings as opposed to adding unused second, third, etc. items.       $definition = NestedArray::mergeDeepArray([$merge, $definition], TRUE);

      // Replace dynamic portions of the definition type.       if (!empty($replacements) && strpos($definition['type'], ']')) {
        $sub_type = $this->determineType($this->replaceName($definition['type'], $replacements), $definitions);