https://doc.rust-lang.org/nightly/nightly-rustc/rustc_ast_passes/errors/enum.VisibilityNotPermittedNote.html
VisibilityNotPermittedNote in rustc_ast_passes::errors - Rust
API documentation for the Rust `VisibilityNotPermittedNote` enum in crate `rustc_ast_passes`.
rustcastpasseserrors