export type ChatGptTextEvent = {
    type: "text";
    text: string;
    conversationId?: string;
    messageId?: string;
    raw?: unknown;
};
export type ChatGptToolCallEvent = {
    type: "tool_call";
    id: string;
    name: string;
    arguments: string;
    conversationId: string;
    messageId: string;
};
export type ChatGptConversationEvent = ChatGptTextEvent | ChatGptToolCallEvent;
/** Encode ChatGPT conversation/message ids into an OpenAI-looking call id. */
export declare function encodeToolCallId(conversationId: string, messageId: string, recipient?: string, toolLeafId?: string): string;
export declare function decodeToolCallId(callId: string): {
    conversationId: string;
    messageId: string;
    recipient?: string;
    toolLeafId?: string;
} | undefined;
export declare class ConversationDeltaParser {
    private eventBuffer;
    private previous;
    private lastPath;
    private lastOp;
    private pendingTool;
    private currentConversationId;
    private currentMessageId;
    private crCarry;
    /** Count of SSE data lines that failed JSON.parse (diagnostic; payload never logged). */
    malformedEvents: number;
    feed(chunk: string): ChatGptConversationEvent[];
    flush(): ChatGptConversationEvent[];
    private processEvent;
    private finishPendingTool;
}
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