Function isJSONRPCNotification

Returns value is {
    jsonrpc: "2.0";
    method: string;
    params?: {
        _meta?: {
            "io.modelcontextprotocol/related-task"?: { taskId: string };
            progressToken?: string | number;
            [key: string]: unknown;
        };
        [key: string]: unknown;
    };
}