espocrm-base/application/Espo/Modules/Crm/Resources/metadata/selectDefs/KnowledgeBaseArticle.json

{
    "primaryFilterClassNameMap": {
        "published": "Espo\\Modules\\Crm\\Classes\\Select\\KnowledgeBaseArticle\\PrimaryFilters\\Published"
    },
    "accessControlFilterClassNameMap": {
        "mandatory": "Espo\\Modules\\Crm\\Classes\\Select\\KnowledgeBaseArticle\\AccessControlFilters\\Mandatory"
    }
}