@Override
	public Namespace getNamespace(String name, Namespace namespace) {
		List<Symbol> symbols = getSymbols(name, namespace);
		for (Symbol symbol : symbols) {
			SymbolType symbolType = symbol.getSymbolType();
			if (symbolType.isNamespace() && !symbolType.allowsDuplicates()) {
				return (Namespace) symbol.getObject();
			}
		}
		return null;
	}
Get all external symbols whose original import name matches the specified extLabel with an
optional constraint on a matching Library.
@param library optional Library constraint (may be null to ignore).
@param extProgAddr external program memory address
@return external symbol iterator
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/SymbolManager.java