public Integer getFieldLine(String className, String fieldName) { return fieldLineMap.get(new ClassAndFieldName(className, fieldName));
public SourceLineRange getFieldLine(String className, String fieldName) { return fieldLineMap.get(new FieldDescriptor(className, fieldName));
	public Integer getFieldLine(String className, String fieldName) {		return fieldLineMap.get(new ClassAndFieldName(className, fieldName));	}