import type { DataflowGraph } from '../../../dataflow/graph/graph';
import type { RNode } from '../../../r-bridge/lang-4.x/ast/model/model';
import type { RString } from '../../../r-bridge/lang-4.x/ast/model/nodes/r-string';
import type { RSymbol } from '../../../r-bridge/lang-4.x/ast/model/nodes/r-symbol';
import type { ParentInformation } from '../../../r-bridge/lang-4.x/ast/model/processing/decorate';
import type { DataFrameAssignmentInfo } from '../absint-info';
/**
 * Maps a concrete data frame assignment to data frame assignment info containing the ids of the identifier and assigned expression.
 * We currently do not support function assignments dealing with data frames.
 *
 * @param identifier - The R node of the variable identifier
 * @param expression - The R node of the assigned expression
 * @param dfg  - The data flow graph for resolving the arguments
 * @returns Data frame assignment info containing the IDs of the identifier and expression, or `undefined` if the node does not represent a data frame assignment
 */
export declare function mapDataFrameVariableAssignment(identifier: RSymbol<ParentInformation> | RString<ParentInformation>, expression: RNode<ParentInformation>, dfg: DataflowGraph): DataFrameAssignmentInfo | undefined;
/**
 * Checks whether a R node represents an assignment target, i.e. is a `RSymbol` or `RString`.
 */
export declare function isAssignmentTarget(node: RNode<ParentInformation> | undefined): node is RSymbol<ParentInformation> | RString<ParentInformation>;