export type Element =
    | { type: "dot" }
    | { type: "openBracket" }
    | { type: "closeBracket" }
    | { type: "pipe" }
    | { type: "openCurl" }
    | { type: "closeCurl" }
    | { type: "colon" }
    | { type: "comma" }
    | { type: "openParen" }
    | { type: "closeParen" }
    | { type: "question" }
    | {
        type: "binaryOp";
        precedence: number;
        eval?: (...args: unknown[]) => unknown;
        evalOnDemand?: (...args: unknown[]) => unknown;
    };

export default interface Grammar {
    elements: { [symbol: string]: Element };
    functions: { [name: string]: (...args: unknown[]) => unknown };
    transform: { [name: string]: (...args: [unknown, ...unknown[]]) => unknown };
}