import { ExprElement } from './elements';
/**
 * Checks numerically if two expressions are equal. Obviously this is not a
 * very robust solution, but much easier than the full CAS simplification.
 */
declare function numEquals(expr1: ExprElement, expr2: ExprElement): boolean;
export declare const Expression: {
    numEquals: typeof numEquals;
    parse: (str: string, collapse?: boolean | undefined, context?: {
        variables?: string[];
    } | undefined) => ExprElement;
};
export {};