Constant KOTLIN 

pub const KOTLIN: &str = r#"
    (function_declaration
      (simple_identifier) @name) @function

    (class_declaration
      (type_identifier) @name) @class

    (object_declaration
      (type_identifier) @name) @class

    (interface_declaration
      (type_identifier) @name) @interface
"#;

Kotlin symbol extraction query