Interface FunctionExpressionBeta

interface FunctionExpression {
    _brand?: "FunctionExpression";
    selectable: true;
    add(value: Expression): FunctionExpression;
    add(value: unknown): FunctionExpression;
    arrayAgg(): Accumulator;
    arrayAggDistinct(): Accumulator;
    as(name: string): AliasedExpression;
    ascending(): Ordering;
    average(): Accumulator;
    count(): Accumulator;
    countDistinct(): Accumulator;
    descending(): Ordering;
    equal(expression: Expression): BooleanExpression;
    equal(value: unknown): BooleanExpression;
    first(): Accumulator;
    greaterThan(expression: Expression): BooleanExpression;
    greaterThan(value: unknown): BooleanExpression;
    greaterThanOrEqual(expression: Expression): BooleanExpression;
    greaterThanOrEqual(value: unknown): BooleanExpression;
    last(): Accumulator;
    maximum(): Accumulator;
    minimum(): Accumulator;
    sum(): Accumulator;
}