Constant ELEMENT_QUERY 

pub const ELEMENT_QUERY: &str = r#"
(function_item
  name: (identifier) @func_name
  parameters: (parameters) @params) @function
(struct_item) @class
(enum_item) @class
(trait_item) @class
"#;

Tree-sitter query for extracting Rust elements (functions and structs/enums/traits).