Function resolve_declaration 

pub fn resolve_declaration<'a>(
    stmts: &'a [Stmt<'a, 'a>],
    word: &str,
    accept: &dyn Fn(&Declaration<'a>) -> bool,
) -> Option<Declaration<'a>>

Find the first declaration named word that accept approves, scanning stmts in source order and recursing into braced namespaces.

A $ sigil on word is stripped before matching property / promoted-param names (which are stored without it), matching the original walkers.