The classes declared in this files are the DataTypes available on the DataTypes namespace. You can access them as follows:

import { DataTypes } from '@sequelize/core';

DataTypes.STRING;

DataTypes

ABSTRACT

Other

ARRAY
BIGINT
BLOB
BOOLEAN
CHAR
CIDR
CITEXT
DATE
DATEONLY
DECIMAL
DOUBLE
ENUM
FLOAT
GEOGRAPHY
GEOMETRY
HSTORE
INET
INTEGER
JSON
JSONB
MACADDR
MACADDR8
MEDIUMINT
NOW
RANGE
REAL
SMALLINT
STRING
TEXT
TIME
TINYINT
TSVECTOR
UUID
UUIDV1
UUIDV4
VIRTUAL