Load all entities of the given type EntityType. You can choose which the fields to load. Warning: all fields that are not loaded must be nullable.

Load all entities of the given type EntityType. For each entity you can choose to load only Id fields, or all single value fields, or all multivalue fields, or all temporal fields, or any combination of Id, Single, Temporal, or Multiple. Warning: all fields that are not loaded must be nullable.

Load all entities of the given type EntityType filtered by criteria. You can choose which the fields to load. Warning: all fields that are not loaded must be nullable.

Load all entities of the given type EntityType filtered by criteria. For each entity you can choose to load only Id fields, or all single value fields, or all multivalue fields, or all temporal fields, or any combination of Id, Single, Temporal, or Multiple. Warning: all fields that are not loaded must be nullable.