type FetchLike = (path: string, options?: RequestInit) => Promise<any>;
export type ZKProofKind = 'reputation-threshold' | 'escrow-threshold' | 'model-attestation';
export interface ZKProveOptions {
    kind: ZKProofKind;
    payload: Record<string, unknown>;
}
export interface ZKProveResult {
    kind: ZKProofKind;
    backend: 'groth16-fallback';
    createdAt: number;
    publicSignals: Record<string, unknown>;
    proof: {
        commitment: string;
        nonce: string;
    };
}
export interface ZKVerifyOptions {
    proof: ZKProveResult;
}
export interface ZKVerifyResult {
    ok: boolean;
    reason?: string;
}
export declare class OpacusZKClient {
    private readonly _fetcher?;
    constructor(_fetcher?: FetchLike | undefined);
    prove(options: ZKProveOptions): Promise<ZKProveResult>;
    verify(input: ZKVerifyOptions | ZKProveResult): Promise<ZKVerifyResult>;
}
export {};
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