import type { RAstNodeBase, Location, NoInfo, WithChildren } from '../model';
import { RNode } from '../model';
import { RType } from '../type';
import type { RSymbol } from './r-symbol';
/**
 * Holds a list of expressions (and hence may be the root of an AST, summarizing all expressions in a file).
 * The `grouping` property holds information on if the expression list is structural or created by a wrapper like `{}` or `()`.
 */
export interface RExpressionList<Info = NoInfo> extends WithChildren<Info, RNode<Info>>, RAstNodeBase<Info, string | undefined>, Partial<Location> {
    readonly type: RType.ExpressionList;
    /** encodes wrappers like `{}` or `()` */
    readonly grouping: undefined | [start: RSymbol<Info>, end: RSymbol<Info>];
}
/**
 * Helper for working with {@link RExpressionList} AST nodes.
 */
export declare const RExpressionList: {
    readonly name: "RExpressionList";
    /**
     * Type guard for {@link RExpressionList} nodes.
     */
    readonly is: <Info = object>(this: void, node: RNode<Info> | undefined) => node is RExpressionList<Info>;
    /**
     * Type guard for implicit {@link RExpressionList} nodes, i.e., expression lists that are not created by a wrapper like `{}`.
     */
    readonly isImplicit: <Info = object>(this: void, node: RNode<Info> | undefined) => node is RExpressionList<Info>;
    /**
     * Returns the grouping symbol at the start of the expression list, if it exists. For example, for an expression list created by `{ ... }`, this would return the symbol for `{`.
     */
    readonly groupStart: <Info = object>(this: void, node: RExpressionList<Info>) => RSymbol<Info> | undefined;
    /**
     * Returns the grouping symbol at the end of the expression list, if it exists. For example, for an expression list created by `{ ... }`, this would return the symbol for `}`.
     */
    readonly groupEnd: <Info = object>(this: void, node: RExpressionList<Info>) => RSymbol<Info> | undefined;
    readonly getLocation: (this: void, node: RNode) => import("../../../../../util/range").SourceLocation | undefined;
    readonly getId: (this: void, node: RNode<import("../processing/decorate").ParentInformation>) => import("../processing/node-id").NodeId;
    readonly getType: (this: void, node: RNode) => RType;
    readonly visitAst: <OtherInfo = object>(this: void, nodes: import("../model").SingleOrArrayOrNothing<RNode<OtherInfo>>, onVisit?: import("../processing/visitor").OnEnter<OtherInfo>, onExit?: import("../processing/visitor").OnExit<OtherInfo>) => void;
    readonly collectAllIds: <OtherInfo>(this: void, nodes: import("../model").SingleOrArrayOrNothing<RNode<OtherInfo & import("../processing/decorate").ParentInformation>>) => Set<import("../processing/node-id").NodeId>;
    readonly directChildren: <OtherInfo>(this: void, node: RNode<OtherInfo>) => readonly (RNode<OtherInfo> | typeof import("./r-function-call").EmptyArgument)[];
    readonly directParent: <OtherInfo>(this: void, node: RNode<OtherInfo & import("../processing/decorate").ParentInformation>, idMap: import("../processing/decorate").AstIdMap<OtherInfo & import("../processing/decorate").ParentInformation>) => RNode<OtherInfo & import("../processing/decorate").ParentInformation> | undefined;
    readonly iterateParents: <OtherInfo>(this: void, node: RNode<OtherInfo & import("../processing/decorate").ParentInformation> | undefined, idMap: import("../processing/decorate").AstIdMap<OtherInfo & import("../processing/decorate").ParentInformation>) => Generator<RNode<OtherInfo & import("../processing/decorate").ParentInformation>>;
    readonly depth: (this: void, node: RNode<import("../processing/decorate").ParentInformation>, idMap: import("../processing/decorate").AstIdMap<import("../processing/decorate").ParentInformation>) => number;
    readonly collectAllIdsWithStop: <OtherInfo>(this: void, nodes: import("../model").SingleOrArrayOrNothing<RNode<OtherInfo & import("../processing/decorate").ParentInformation>>, stop: (node: RNode<OtherInfo & import("../processing/decorate").ParentInformation>) => boolean) => Set<import("../processing/node-id").NodeId>;
    readonly lexeme: <R extends RNode<import("../processing/decorate").ParentInformation>>(this: void, node: R | undefined) => R extends {
        lexeme: string;
    } ? string : string | undefined;
    readonly documentation: typeof import("../../../../roxygen2/documentation-provider").getDocumentationOf;
};