export declare class FinnhubError extends Error {
    readonly statusCode?: number | undefined;
    readonly code?: string | undefined;
    constructor(message: string, statusCode?: number | undefined, code?: string | undefined);
}
export declare class RateLimitError extends FinnhubError {
    constructor(message?: string);
}
export declare class AuthenticationError extends FinnhubError {
    constructor(message?: string);
}
export declare class NotFoundError extends FinnhubError {
    constructor(resource: string);
}
export declare class ValidationError extends FinnhubError {
    constructor(message: string);
}
export declare function handleApiError(error: unknown): FinnhubError;
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