Constant JAVA 

pub const JAVA: &str = r#"
    (method_declaration
      name: (identifier) @name) @method

    (class_declaration
      name: (identifier) @name) @class

    (interface_declaration
      name: (identifier) @name) @interface

    (enum_declaration
      name: (identifier) @name) @enum

    (constructor_declaration
      name: (identifier) @name) @constructor
"#;

Java symbol extraction query