The twin of the builtInMemory but with less built ins defined for cases in which we want some commonly overwritten variables to remain open.
What the configuration states about the exports of packages R does not attach on startup, by package and then bare name; not in builtInMemory, they enter an analysis only once attached, see BuiltIns.forPackage.
A copy whose maps can be changed without changing these.
What flowR states about pkg's exports, undefined when it states nothing (attaching brings these into scope).
Register a built-in constant (like NULL or TRUE) to the given BuiltIns
Register a single BuiltInDefinition to the given memories in BuiltIns
Register a built-in function (like print or c) to the given BuiltIns
Registers all combinations of replacements
Registers definition under identifier. A namespace R does not attach by default lands in packageMemory instead of the always-on environment.
Optionalnamespace: BrandedNamespace
The built-in environment is the root of all environments.