Filtering Items by xClass and Descendants

The following example is a query that returns the xClass Bolt and all of its descendants: <bsp-image data-state="{"cms.site.owner":{"_ref":"00000198-6240-d83a-abfe-f3d7ed780000","_type":"ae3387cc-b875-31b7-b82d-63fd8d758c20"},"cms.content.publishDate":1771934436190,"cms.content.publishUser":{"_ref":"0000019b-bbc6-d44f-ad9f-bfef39fe0000","_type":"6aa69ae1-35be-30dc-87e9-410da9e1cdcc"},"cms.content.updateDate":1771934436190,"cms.content.updateUser":{"_ref":"0000019b-bbc6-d44f-ad9f-bfef39fe0000","_type":"6aa69ae1-35be-30dc-87e9-410da9e1cdcc"},"webImage.disableDefaultCaption":false,"webImage.disableDefaultCredit":false,"image":{"_ref":"0000019c-8f85-d5e5-adbd-9fa74ffb0000","_type":"dcf917e9-e63e-3e6c-8255-38386454f78b"},"theme.bundle-default.:image:ImageEnhancement.hbs.enhancementAlignmentImage":null,"theme.bundle-default.:image:ImageEnhancement.hbs._preset":null,"_id":"0000019c-8f85-d4c6-af9f-bfad35fe0000","_type":"db9c5fe4-94f6-378f-bd08-51a74126a170"}">10.png (1066x379, AR: 2.81)