import { BoxedExpression } from "@holgerengels/compute-engine";
import { Equation, Operation } from "./model";
export declare const error: (e: Equation, message: string) => {
    variable: string;
    left: BoxedExpression;
    right: BoxedExpression;
    error: string;
}[];
export declare const operations: Operation[];
export declare function operation(name: string): Operation;
export declare const sets: Map<string, string[]>;