import { DazzleWasm } from './dazzle_wasm_bindings';
export interface VectorSearchHit {
    id: string;
    distance: number;
}
export declare class DazzleWeb {
    private constructor();
    /** Load the WASM module and, if a snapshot exists in OPFS, restore it. */
    static initialize(opts?: {
        opfsFileName?: string;
    }): Promise<void>;
    private static get w();
    static hash(key: string): DazzleWebHash;
    static vectorIndex(name: string): DazzleWebVectorIndex;
    /** Snapshot current state to OPFS.  Call on app suspend, not per-write. */
    static persist(): Promise<void>;
    /** Wipe in-memory state AND the OPFS snapshot. */
    static clearAll(): Promise<void>;
    static get version(): string;
    /** Tests only. */
    static debugReset(): void;
}
export declare class DazzleWebHash {
    private readonly w;
    readonly key: string;
    constructor(w: DazzleWasm, key: string);
    set(field: string, value: string): boolean;
    get(field: string): string | null;
    delete(field: string): boolean;
    exists(field: string): boolean;
    getAll(): Record<string, string>;
    drop(): boolean;
}
export declare class DazzleWebVectorIndex {
    private readonly w;
    readonly name: string;
    constructor(w: DazzleWasm, name: string);
    create(opts: {
        dim: number;
        M?: number;
        efConstruction?: number;
        initialCapacity?: number;
    }): boolean;
    add(id: string, embedding: Float32Array): boolean;
    addBatch(items: Record<string, Float32Array>): void;
    search(query: Float32Array, opts?: {
        topK?: number;
        ef?: number;
    }): VectorSearchHit[];
    drop(): boolean;
}
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