global enum ColumnDataType {
BOOLEAN_DATA,
COMBOBOX_DATA,
CURRENCY_DATA,
DATETIME_DATA,
DATE_DATA,
DOUBLE_DATA,
EMAIL_DATA,
HTML_DATA,
ID_DATA,
INT_DATA,
MULTIPICKLIST_DATA,
PERCENT_DATA,
PHONE_DATA,
PICKLIST_DATA,
REFERENCE_DATA,
STRING_DATA,
TEXTAREA_DATA,
TIME_DATA,
URL_DATA
}