importedModuleContext.getFromNamespace(ModuleNameToNamespace.class, moduleName));
final String impPrefix = SourceException.throwIfNull(
firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class), stmt,
importedModuleContext.getFromNamespace(ModuleNameToNamespace.class, moduleName));
final String impPrefix = SourceException.throwIfNull(
firstAttributeOf(stmt.declaredSubstatements(), PrefixStatement.class), stmt,