---
variables
"var1": query {
// 变量声明部分
from {} // datasource，如：`PsiClass`, `GitCommit`, `ProjectDependency`
// 条件部分
where {} // AST expand, and functions support for regex, and methods: similar search, embedding search, tf-idf, and other advanced search
// 结果部分
select {} // Node, or Node's attribute, or Node's children
}
---
