8 files declare their use of ImagemagickExecArguments in ImageMagick 8.3

EventSubscriberTest.php in tests/src/Functional/EventSubscriberTest.php

ExecArgumentsTest.php in tests/src/Kernel/ExecArgumentsTest.php

ImagemagickEventSubscriber.php in src/EventSubscriber/ImagemagickEventSubscriber.php

ImagemagickExecutionEvent.php in src/Event/ImagemagickExecutionEvent.php

ImagemagickIdentify.php in src/Plugin/FileMetadata/ImagemagickIdentify.php

ImagemagickImageToolkitOperationBase.php in src/Plugin/ImageToolkit/Operation/imagemagick/ImagemagickImageToolkitOperationBase.php

ImagemagickToolkit.php in src/Plugin/ImageToolkit/ImagemagickToolkit.php

ToolkitOperationsTest.php in tests/src/Kernel/ToolkitOperationsTest.php