6 methods override DefaultPluginManager::providerExists()

BreakpointManager::providerExists in core/modules/breakpoint/src/BreakpointManager.php
Determines if the provider of a definition exists.
ComponentPluginManager::providerExists in core/modules/sdc/src/ComponentPluginManager.php
Determines if the provider of a definition exists.
ComponentPluginManager::providerExists in core/lib/Drupal/Core/Theme/ComponentPluginManager.php
Determines if the provider of a definition exists.
HelpTopicPluginManager::providerExists in core/modules/help/src/HelpTopicPluginManager.php
Determines if the provider of a definition exists.
IconPackManager::providerExists in core/lib/Drupal/Core/Theme/Icon/Plugin/IconPackManager.php
Determines if the provider of a definition exists.
LayoutPluginManager::providerExists in core/lib/Drupal/Core/Layout/LayoutPluginManager.php
Determines if the provider of a definition exists.

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