{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"#[derive(Debug,"}]}
#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)]
/// A custom proc-macro expander handle. This handle together with its crate resolves to a [`ProcMacro`]
pub struct CustomProcMacroExpander {