fn rename_self_to_param(
sema: &Semantics<'_, RootDatabase>,
local: Local,
self_param: SelfParam,
new_name: &Name,
identifier_kind: IdentifierKind,
find_path_config: FindPathConfig,
) -> Result<SourceChange, RenameError>fn rename_self_to_param(
sema: &Semantics<'_, RootDatabase>,
local: Local,
self_param: SelfParam,
new_name: &Name,
identifier_kind: IdentifierKind,
find_path_config: FindPathConfig,
) -> Result<SourceChange, RenameError>