if ($this->pluginDefinition['requirements_met'] === TRUE) {
if (isset($this->pluginDefinition['source_module'])) {
if ($this->moduleExists($this->pluginDefinition['source_module'])) {
if ($this->pluginDefinition['requirements_met'] === TRUE) {
if (isset($this->pluginDefinition['source_module'])) {
if ($this->moduleExists($this->pluginDefinition['source_module'])) {