/**
 * Shape of the Emscripten module returned by `globalThis.dazzleModule()`.
 * We type it loosely because the codegen surface is large and stable.
 */
export interface EmscriptenModule {
    ccall(name: string, returnType: 'number' | 'string' | null, argTypes: string[], args: unknown[]): unknown;
    _malloc(bytes: number): number;
    _free(ptr: number): void;
    UTF8ToString(ptr: number): string;
    stringToUTF8(str: string, ptr: number, maxBytes: number): void;
    lengthBytesUTF8(str: string): number;
    HEAPU8: Uint8Array;
    HEAPF32: Float32Array;
}
declare global {
    interface Window {
        dazzleModule?: () => Promise<EmscriptenModule>;
    }
    var dazzleModule: (() => Promise<EmscriptenModule>) | undefined;
}
export declare function loadDazzleModule(timeoutMs?: number): Promise<DazzleWasm>;
export declare class DazzleWasm {
    private readonly m;
    constructor(m: EmscriptenModule);
    private allocCString;
    private callI;
    /** Read a NUL-separated stream "a\0b\0c\0" as a JS array. */
    private readZeroSeparatedList;
    hset(key: string, field: string, value: string): boolean;
    hget(key: string, field: string): string | null;
    hdel(key: string, field: string): boolean;
    hexists(key: string, field: string): boolean;
    hgetall(key: string): Record<string, string>;
    del(key: string): boolean;
    vsCreate(name: string, opts: {
        dim: number;
        M?: number;
        efConstruction?: number;
        initialCapacity?: number;
    }): boolean;
    vsAdd(name: string, id: string, embedding: Float32Array): boolean;
    vsSearch(name: string, query: Float32Array, opts?: {
        topK?: number;
        ef?: number;
    }): {
        id: string;
        distance: number;
    }[];
    vsDrop(name: string): boolean;
    saveSnapshot(): Uint8Array;
    loadSnapshot(bytes: Uint8Array): boolean;
    clear(): void;
    version(): string;
}
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