import { AISDKError } from '@ai-sdk/provider';
declare const symbol: unique symbol;
export declare class InvalidDataContentError extends AISDKError {
    private readonly [symbol];
    readonly content: unknown;
    constructor({ content, cause, message, }: {
        content: unknown;
        cause?: unknown;
        message?: string;
    });
    static isInstance(error: unknown): error is InvalidDataContentError;
}
export {};
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