/** SealMetrics API error with user-friendly message. */
export declare class SealMetricsAPIError extends Error {
    readonly statusCode: number;
    readonly userMessage: string;
    readonly detail?: string | undefined;
    constructor(statusCode: number, userMessage: string, detail?: string | undefined);
}
/** Map HTTP status codes to user-friendly error messages. */
export declare function mapHttpError(status: number, body: string, siteId?: string): SealMetricsAPIError;
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