import { NormalizedNumericSeverity, QualyNumericSeverity } from '../types';
/**
 * Maps a Qualys vulnerability QID to the set of related `Finding._key` values.
 *
 * As Findings are created during the processing of `HostDetection` data, the
 * QID and `Finding._key` values are easily obtained, and therefore tracked for
 * a later step that will fetch vulnerabilities and create mapped relationships
 * between the Finding and Vulnerabilty.
 */
export type SerializedVulnerabilityFindingKeys = [number, Set<string>][];
export type VulnerabilityFindingKeysMap = Map<number, Set<string>>;
export declare class VulnerabilityFindingKeysCollector {
    private mapping;
    constructor();
    allQids(): number[];
    /**
     * Adds a Finding._key to set of vulnerability findings.
     *
     * @param qid vulnerability QID
     * @param findingKey Finding._key related to vulnerability
     */
    addVulnerabilityFindingKey(qid: number, findingKey: string): void;
    getVulnerabiltyFindingKeys(qid: number): string[];
    /**
     * Serializes collected values into form that can be stored between steps and
     * used to re-create the Map.
     */
    serialize(): SerializedVulnerabilityFindingKeys;
    /**
     * Adds values previously serialized.
     */
    loadSerialized(serialized: SerializedVulnerabilityFindingKeys): void;
}
export declare function convertNumericSeverityToString(numericSeverity: QualyNumericSeverity): string;
export declare function normalizeNumericSeverity(numericSeverity: QualyNumericSeverity): NormalizedNumericSeverity;
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