addOptions(options) {
		if (!this.options) {
			this.type = TypeConditional;
			this.options = [];
			this.sideEffects = true;
		}
		for (const item of options) {
			this.options.push(item);
		}
		return this;
	}
Adds options to a conditional expression.
@param {BasicEvaluatedExpression[]} options optional (consequent/alternate) expressions to be added
@returns {this} this