3 calls to DisplayPluginBase::usesExposed()

Block::buildOptionsForm in core/modules/views/src/Plugin/views/display/Block.php: Provide the default form for setting options.
DisplayPluginBase::preExecute in core/modules/views/src/Plugin/views/display/DisplayPluginBase.php: Sets up any variables on the view prior to execution.
DisplayPluginBase::viewExposedFormBlocks in core/modules/views/src/Plugin/views/display/DisplayPluginBase.php: Renders the exposed form as block.

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