import type { Leaf, Location, Namespace, NoInfo } from '../model';
import type { RType } from '../type';
export declare function isSpecialSymbol(symbol: RSymbol): boolean;
/**
 * Represents identifiers (variables).
 */
export interface RSymbol<Info = NoInfo, T extends string = string> extends Leaf<Info>, Namespace, Location {
    readonly type: RType.Symbol;
    content: T;
}