import type { RawRType } from '../../type';
import { RType } from '../../type';
import type { Location } from '../../model';
import type { MergeableRecord } from '../../../../../../util/objects';
/**
 * Combines '`{`', '`}`', '`(`', '`)`', and other delimiters used by R, they are ignored for most analysis
 * but helpful during reconstruction.
 */
export interface RDelimiter extends MergeableRecord, Location {
    readonly type: RType.Delimiter;
    readonly lexeme: string;
    readonly subtype: RawRType;
}
/**
 * Helper for working with {@link RDelimiter} AST nodes.
 */
export declare const RDelimiter: {
    /**
     * Type guard for {@link RDelimiter} nodes.
     */
    readonly is: (this: void, node: unknown) => node is RDelimiter;
};