Return a clone of this value if it (together with all value subcomponents) is possibly mutable, or return this value if it (together with all value subcomponents) is definitely immutable. The resulting value might share mutable metadata with this query.

from

open fun from(method: AggregateMethod?, vararg items: PropertyPath): AggregateExpression

Adds a 'from' clause to the aggregate expression.

toString

open override fun toString(): String

Convert this data value to a string. If the {@link com.sap.cloud.mobile.kotlin.odata.AggregateExpression#dataType AggregateExpression.dataType} is defined by XML Schema Part 2: Datatypes, then the corresponding lexical format is used. JSON format is used for structured values (arrays and objects).