export declare function setVerdictPublicKeyForTests(pem: string | null): void;
export interface SignedVerdictFields {
    installationId: string;
    monthKey: string;
    used: number;
    limit: number | null;
    canUse: boolean;
    capActive: boolean;
    resetsAt: string | null;
    verdictFreshUntil: string;
}
export declare function canonicalVerdictPayload(v: SignedVerdictFields): string;
export declare function verifyVerdictSig(signed: SignedVerdictFields, sigB64: string): boolean;
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