public void addImportedField(String asFieldName, String refFieldName, String foregnFieldName) {
        importedFields.add(new ImportedField(asFieldName, refFieldName, foregnFieldName));
    }
This class holds the extracted information after parsing
one schema (.sd) file, using simple data structures
as far as possible.

Do not put complicated logic here!

@author arnej27959
config-model/src/main/java/com/yahoo/schema/parser/ParsedSchema.java