import { DefaultMap } from '@eagleoutice/flowr/util/defaultmap';
import type { NodeId } from '@eagleoutice/flowr';
import type { MergeableRecord } from '@eagleoutice/flowr/util/objects';
export type ContextsWithCount = DefaultMap<NodeId, number>;
export type ClusterContextIdMap = DefaultMap<string | undefined, NodeId>;
export type ClusterValueInfoMap = DefaultMap<string, ContextsWithCount>;
/** Produced by {@link clusterStatisticsOutput} */
export interface ClusterReport extends MergeableRecord {
    /** The input file which has been clustered */
    readonly filepath: string;
    /** Maps each context encountered (i.e., every file which contains something associated with the feature) to a unique id, used in the {@link ClusterReport#valueInfoMap | valueInfoMap}. */
    contextIdMap: ClusterContextIdMap;
    /**
   * Counts which contexts contained which values of a feature.
   * For example, that `<-` occurred in files with ids `[12, 42, 19, 19]` (i.e., the context with the id 19 contained it twice).
   */
    valueInfoMap: ClusterValueInfoMap;
}
/**
 * Takes a statistics file like `statistics-out/top-2023-01-01-00-00-00/Assignments/assignmentOperator.txt` and clusters the values by context
 *
 * @param filepath     - Filepath of the statistics file
 * @param contextIdMap - The id map to use, can use an existing one to reuse ids for same contexts spreading over multiple input files.
 *  `undefined` is used for unknown contexts. This map allows us to reference contexts with a way shorter identifier (vs. the full file path).
 */
export declare function clusterStatisticsOutput(filepath: string, contextIdMap?: ClusterContextIdMap): ClusterReport;