import { BrainDna } from './brain-dna.js';
export type PoolKind = 'local' | 'exchange' | 'all';
export interface DoppelgangerMatch {
    otherProject: string;
    similarity: number;
    sharedArchetype: boolean;
    sharedEntities: string[];
    divergentEntities: string[];
    compatibilityScore: number;
    blurb: string;
    svg: string;
}
export declare class BrainDoppelganger {
    private dna;
    constructor(dna?: BrainDna);
    /** Find similar brains across the chosen pool. */
    findMatches(project: string, opts?: {
        pool?: PoolKind;
        topK?: number;
        minSimilarity?: number;
    }): Promise<DoppelgangerMatch[]>;
    /** Render a 1200x630 horizontal compatibility card for two projects. */
    compatibilityCard(myProject: string, otherProject: string): Promise<{
        svg: string;
    }>;
    private collectPool;
    private collectLocal;
    private collectExchange;
}
export declare function getBrainDoppelganger(): BrainDoppelganger;
export declare function resetBrainDoppelgangerForTests(): void;
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