/**
 * useGalaxyData Hook
 *
 * Fetches and transforms data from Drift's boundary scanner and call graph
 * into the galaxy visualization format.
 */
import type { GalaxyData } from '../types/index.js';
export interface UseGalaxyDataOptions {
    /** Auto-fetch on mount */
    autoFetch?: boolean;
    /** Refresh interval in ms (0 = disabled) */
    refreshInterval?: number;
    /** Data source endpoint or function */
    dataSource?: string | (() => Promise<RawGalaxyData>);
}
export interface RawGalaxyData {
    tables: RawTable[];
    entryPoints: RawEntryPoint[];
    dataPaths: RawDataPath[];
    relationships?: RawRelationship[];
}
interface RawTable {
    id: string;
    name: string;
    schema?: string;
    rowCount?: number;
    accessCount?: number;
    sensitivity?: string;
    securityTier?: string;
    cluster?: string;
    fields: RawField[];
}
interface RawField {
    id: string;
    name: string;
    dataType: string;
    sensitivity?: string;
    isPrimaryKey?: boolean;
    isForeignKey?: boolean;
    foreignKeyTarget?: string;
    accessCount?: number;
    isTested?: boolean;
}
interface RawEntryPoint {
    id: string;
    path: string;
    method: string;
    authLevel?: string;
    securityTier?: string;
    file: string;
    line: number;
    framework?: string;
    reachableTables?: string[];
}
interface RawDataPath {
    id: string;
    sourceId: string;
    sourceType: string;
    targetTableId: string;
    targetFieldId?: string;
    operation?: string;
    frequency?: number;
    depth?: number;
    isTested?: boolean;
    callChain?: string[];
    sensitivity?: string;
}
interface RawRelationship {
    id: string;
    sourceTableId: string;
    sourceFieldId: string;
    targetTableId: string;
    targetFieldId: string;
    type?: string;
}
export declare function useGalaxyData(options?: UseGalaxyDataOptions): {
    data: GalaxyData | null;
    isLoading: boolean;
    error: string | null;
    refetch: () => Promise<void>;
};
export {};
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