import type { Condition, AttributeKey, GroupSegment, SegmentKey, Feature } from "@featurevisor/types";
export declare function extractSegmentsFromFeature(feature: Feature): Set<SegmentKey>;
export declare function extractSegmentKeysFromGroupSegments(segments: GroupSegment | GroupSegment[]): Set<SegmentKey>;
export declare function extractAttributeKeysFromConditions(conditions: Condition | Condition[]): Set<AttributeKey>;