export declare const SYSTEM_IDENTITY = "You are Claude Code, Anthropic's official CLI for Claude.";
type ContentBlock = {
    type?: string;
    text?: string;
} & Record<string, unknown>;
type Message = {
    role?: string;
    content?: string | ContentBlock[];
};
export declare function repairToolPairs(messages: Message[]): Message[];
export declare function transformBody(body: BodyInit | null | undefined): BodyInit | null | undefined;
export declare function stripToolPrefix(text: string): string;
export declare function transformResponseStream(response: Response): Response;
export {};
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