/** Base error class for all Shuriken SDK errors. */
export declare class ShurikenError extends Error {
    /** Error code (e.g. `AUTH_ERROR`, `API_ERROR`). */
    readonly code: string;
    constructor(message: string, 
    /** Error code (e.g. `AUTH_ERROR`, `API_ERROR`). */
    code: string);
}
/** Thrown when authentication fails (HTTP 401). */
export declare class ShurikenAuthError extends ShurikenError {
    constructor(message: string);
}
/** Thrown when the WebSocket session bootstrap or connection fails. */
export declare class ShurikenSessionError extends ShurikenError {
    constructor(message: string);
}
/** Thrown when an HTTP API call returns a non-2xx response (other than 401). */
export declare class ShurikenApiError extends ShurikenError {
    /** HTTP status code. */
    readonly status: number;
    /** API request ID for support reference. */
    readonly requestId?: string | undefined;
    constructor(message: string, 
    /** HTTP status code. */
    status: number, 
    /** API request ID for support reference. */
    requestId?: string | undefined);
}
/** Thrown when a WebSocket message payload cannot be decoded. */
export declare class ShurikenDecodeError extends ShurikenError {
    /** Schema ID of the payload that failed to decode. */
    readonly payloadSchemaId?: string | undefined;
    constructor(message: string, 
    /** Schema ID of the payload that failed to decode. */
    payloadSchemaId?: string | undefined);
}
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