import { type KeyObject } from "node:crypto";
export interface AxisWitness {
    dim: number;
    value: number;
    side: "below" | "above";
    limit: number;
}
export interface HullWitness {
    u: number[];
    dataMax: number;
    xDot: number;
}
export interface SupportCertificate {
    standard: "melete-support-certificate/v2";
    verdict: "SUPPORTED" | "SPARSE-INTERIOR" | "EXTRAPOLATION";
    dims: number;
    designSize: number;
    recommended: number[];
    design: number[][];
    box: Array<[number, number]>;
    witness: AxisWitness[];
    hullWitness: HullWitness | null;
    nearestNeighborDist: number;
    typicalSpacing: number;
    supportRatio: number;
    tau: number;
    payloadHash: string;
    signature: string;
    publicKeyPem: string;
    algo: "ed25519+sha256";
}
export declare function supportCertificate(opts: {
    design: number[][];
    recommended: number[];
    tau?: number;
    keys?: {
        publicKey: KeyObject;
        privateKey: KeyObject;
    };
}): SupportCertificate;
export declare function verifySupportCertificate(c: SupportCertificate): {
    ok: boolean;
    reason: string;
};
export declare function supportGauntlet(): {
    score: 0 | 100;
    checks: Array<{
        name: string;
        pass: boolean;
        detail: string;
    }>;
};
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