import { MapAstNode } from '.';
/**
 * Expression AST node allowing undefined.
 * Used as argument type.
 */
declare type NullableMapAstNode = MapAstNode | undefined;
/**
 * Map AST node indicating a function that takes arguments.
 */
export interface FunctionNode extends MapAstNode {
    /**
     * Arguments specified in this function.
     * The arguments are stored in an array, starting with the first argument.
     * ex. Curve.Begin(0, 1) => arguments[0] = 0(NumberNode), arguments[1] = 1(NumberNode)
     * If the argument value is null or omitted, null is stored.
     * If no argument exists, null is stored in arguments[0].
     */
    arguments: NullableMapAstNode[];
}
export {};