import type { DataflowGraph } from '../../../dataflow/graph/graph';
import type { RNode } from '../../../r-bridge/lang-4.x/ast/model/model';
import type { RAccess, RNamedAccess } from '../../../r-bridge/lang-4.x/ast/model/nodes/r-access';
import type { ParentInformation } from '../../../r-bridge/lang-4.x/ast/model/processing/decorate';
import type { DataFrameExpressionInfo } from '../absint-info';
/**
 * Maps a concrete data frame access to abstract data frame operations.
 *
 * @param node - The R node of the access
 * @param dfg  - The data flow graph for resolving the arguments
 * @returns Data frame expression info containing the mapped abstract data frame operations, or `undefined` if the node does not represent a data frame access
 */
export declare function mapDataFrameAccess(node: RNode<ParentInformation>, dfg: DataflowGraph): DataFrameExpressionInfo | undefined;
/**
 * Checks whether an access node represents a string-based access (`$` or `@`), and no index-based access (`[` or `[[`).
 */
export declare function isStringBasedAccess(access: RAccess<ParentInformation>): access is RNamedAccess<ParentInformation>;