import type { FeatureKey, SegmentKey, AttributeKey } from "@featurevisor/types";
import { Dependencies } from "../dependencies";
import { Plugin } from "../cli";
export interface UsageInFeatures {
    [featureKey: string]: {
        features: Set<FeatureKey>;
        segments: Set<SegmentKey>;
        attributes: Set<AttributeKey>;
    };
}
export declare function findAllUsageInFeatures(deps: Dependencies): Promise<UsageInFeatures>;
export interface UsageInSegments {
    [segmentKey: string]: {
        attributes: Set<AttributeKey>;
    };
}
export declare function findAllUsageInSegments(deps: Dependencies): Promise<UsageInSegments>;
export declare function findFeatureUsage(usageInFeatures: UsageInFeatures, searchFeatureKey: FeatureKey): Promise<Set<FeatureKey>>;
export declare function findSegmentUsage(usageInFeatures: UsageInFeatures, segmentKey: SegmentKey): Promise<Set<FeatureKey>>;
export interface AttributeUsage {
    features: Set<FeatureKey>;
    segments: Set<SegmentKey>;
}
export declare function findAttributeUsage(usageInFeatures: UsageInFeatures, usageInSegments: UsageInSegments, attributeKey: AttributeKey): Promise<AttributeUsage>;
export declare function findUnusedSegments(deps: Dependencies, usageInFeatures: UsageInFeatures): Promise<Set<SegmentKey>>;
export declare function findUnusedAttributes(deps: Dependencies, usageInFeatures: UsageInFeatures, usageInSegments: UsageInSegments): Promise<Set<AttributeKey>>;
export interface FindUsageOptions {
    feature?: string;
    segment?: string;
    attribute?: string;
    unusedSegments?: boolean;
    unusedAttributes?: boolean;
    authors?: boolean;
}
export declare function findUsageInProject(deps: Dependencies, options: FindUsageOptions): Promise<void>;
export declare const findUsagePlugin: Plugin;