/**
 * Error hierarchy for the Acuris SDK.
 *
 *   AcurisError                   — base class; check `instanceof AcurisError`
 *   ├─ AcurisAuthError            — 401/403 from the API
 *   ├─ AcurisValidationError      — 400/422 (bad input)
 *   ├─ AcurisNotFoundError        — 404 (no match found)
 *   ├─ AcurisRateLimitError       — 429
 *   ├─ AcurisServerError          — 5xx
 *   ├─ AcurisTimeoutError         — request timed out client-side
 *   └─ AcurisNetworkError         — fetch threw before producing a response
 */
export declare class AcurisError extends Error {
    readonly status?: number;
    readonly body?: unknown;
    readonly endpoint?: string;
    constructor(message: string, opts?: {
        status?: number;
        body?: unknown;
        endpoint?: string;
        cause?: unknown;
    });
}
export declare class AcurisAuthError extends AcurisError {
    constructor(message: string, opts: ConstructorParameters<typeof AcurisError>[1]);
}
export declare class AcurisValidationError extends AcurisError {
    constructor(message: string, opts: ConstructorParameters<typeof AcurisError>[1]);
}
export declare class AcurisNotFoundError extends AcurisError {
    constructor(message: string, opts: ConstructorParameters<typeof AcurisError>[1]);
}
export declare class AcurisRateLimitError extends AcurisError {
    /** Server-suggested retry-after, in seconds, if provided. */
    readonly retryAfterSeconds?: number;
    constructor(message: string, opts: ConstructorParameters<typeof AcurisError>[1] & {
        retryAfterSeconds?: number;
    });
}
export declare class AcurisServerError extends AcurisError {
    constructor(message: string, opts: ConstructorParameters<typeof AcurisError>[1]);
}
export declare class AcurisTimeoutError extends AcurisError {
    constructor(message: string, opts?: ConstructorParameters<typeof AcurisError>[1]);
}
export declare class AcurisNetworkError extends AcurisError {
    constructor(message: string, opts?: ConstructorParameters<typeof AcurisError>[1]);
}
/** True if a status code is a transient class the SDK retries automatically. */
export declare function isTransientStatus(status: number): boolean;
/** Map an HTTP status + parsed body to the right AcurisError subclass. */
export declare function errorFromResponse(status: number, body: unknown, endpoint: string): AcurisError;
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