/**
 * Hyper (Charm) credit balance fetcher.
 *
 * Queries: GET https://hyper.charm.land/v1/credits
 * Auth: Bearer token in Authorization header.
 * Response: { balance: number }
 */
import type { QuotaError } from "./types.js";
export interface HyperCreditResult {
    balance: number;
}
export type HyperResult = {
    success: true;
    balance: number;
} | QuotaError | null;
/**
 * Query Hyper credit balance from the API.
 *
 * @returns A typed result with success/error state, or null if no API key is configured.
 */
export declare function queryHyperCredits(options?: {
    requestTimeoutMs?: number;
}): Promise<HyperResult>;
export { getHyperKeyDiagnostics, hasHyperApiKey as hasHyperApiKeyConfigured, type HyperKeySource, } from "./hyper-auth.js";
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