export type LicenseTier = 'community' | 'pro' | 'business' | 'enterprise';
export declare const LICENSE_TIERS: readonly LicenseTier[];
export interface LicensePayload {
    customer: string;
    tier: LicenseTier;
    issuedAt: string;
    expiresAt: string;
    licenseId: string;
}
export interface LicenseFile extends LicensePayload {
    sig: {
        alg: 'Ed25519';
        keyId: string;
        value: string;
    };
}
export interface LicenseVerifyResult {
    valid: boolean;
    tier: LicenseTier;
    customer: string | null;
    expiresAt: string | null;
    reason: string;
}
export declare function licenseHash(payload: LicensePayload): string;
/**
 * Verify a license file's contents against an Ed25519 public key (PEM).
 * Never throws for bad input — the MIT core stays usable.
 */
export declare function verifyLicense(fileContents: string, publicKeyPem: string): LicenseVerifyResult;
/**
 * Test helper. Not a sales CLI — there is no `conarium-license` binary.
 * Signs with the same hash-then-Ed25519 construction receipts use.
 */
export declare function signLicense(payload: LicensePayload, privatePem: string, keyId: string): string;
//# sourceMappingURL=license.d.ts.map