function chatParamsFromRequestBody(body): Promise<{
  aguiContext: object[];
  context: object[];
  forwardedProps: Record<string, unknown>;
  messages: (
     | ModelMessage<
     | string
     | ContentPart<unknown, unknown, unknown, unknown, unknown>[]
     | null>
    | UIMessage<unknown>)[];
  parentRunId?: string;
  runId: string;
  state: unknown;
  threadId: string;
  tools: object[];
}>;

function chatParamsFromRequestBody(body): Promise<{
  aguiContext: object[];
  context: object[];
  forwardedProps: Record<string, unknown>;
  messages: (
     | ModelMessage<
     | string
     | ContentPart<unknown, unknown, unknown, unknown, unknown>[]
     | null>
    | UIMessage<unknown>)[];
  parentRunId?: string;
  runId: string;
  state: unknown;
  threadId: string;
  tools: object[];
}>;