import { z } from 'zod';
import { RunnableConfig } from '@langchain/core/runnables';
import { StructuredTool, ToolParams } from '@langchain/core/tools';
import { CallbackManagerForToolRun, Callbacks } from '@langchain/core/callbacks/manager';
import { ICommonObject } from '../../../src/Interface';
export declare const defaultCode = "const fetch = require('node-fetch');\nconst url = $url;\nconst options = $options;\n\ntry {\n\tconst response = await fetch(url, options);\n\tconst resp = await response.json();\n\treturn JSON.stringify(resp);\n} catch (error) {\n\tconsole.error(error);\n\treturn '';\n}\n";
export declare const howToUseCode = "- **Libraries:**  \n  You can use any libraries imported in Flowise.\n\n- **Tool Input Arguments:**  \n  Tool input arguments are available as the following variables:\n  - `$PathParameters`\n  - `$QueryParameters`\n  - `$RequestBody`\n\n- **HTTP Requests:**  \n  By default, you can get the following values for making HTTP requests:\n  - `$url`\n  - `$options`\n\n- **Default Flow Config:**  \n  You can access the default flow configuration using these variables:\n  - `$flow.sessionId`\n  - `$flow.chatId`\n  - `$flow.chatflowId`\n  - `$flow.input`\n  - `$flow.state`\n\n- **Custom Variables:**  \n  You can get custom variables using the syntax:\n  - `$vars.<variable-name>`\n\n- **Return Value:**  \n  The function must return a **string** value at the end.\n\n```js\nconst fetch = require('node-fetch');\nconst url = $url;\nconst options = $options;\n\ntry {\n\tconst response = await fetch(url, options);\n\tconst resp = await response.json();\n\treturn JSON.stringify(resp);\n} catch (error) {\n\tconsole.error(error);\n\treturn '';\n}\n\n```\n";
export interface BaseDynamicToolInput extends ToolParams {
    name: string;
    description: string;
    returnDirect?: boolean;
}
export interface DynamicStructuredToolInput<T extends z.ZodObject<any, any, any, any> = z.ZodObject<any, any, any, any>> extends BaseDynamicToolInput {
    func?: (input: z.infer<T>, runManager?: CallbackManagerForToolRun) => Promise<string>;
    schema: T;
    baseUrl: string;
    method: string;
    headers: ICommonObject;
    customCode?: string;
    strict?: boolean;
    removeNulls?: boolean;
}
export declare class DynamicStructuredTool<T extends z.ZodObject<any, any, any, any> = z.ZodObject<any, any, any, any>> extends StructuredTool {
    name: string;
    description: string;
    baseUrl: string;
    method: string;
    headers: ICommonObject;
    customCode?: string;
    strict?: boolean;
    func: DynamicStructuredToolInput['func'];
    schema: T;
    private variables;
    private flowObj;
    private removeNulls;
    constructor(fields: DynamicStructuredToolInput<T>);
    call(arg: z.output<T>, configArg?: RunnableConfig | Callbacks, tags?: string[], flowConfig?: {
        sessionId?: string;
        chatId?: string;
        input?: string;
        state?: ICommonObject;
    }): Promise<string>;
    protected _call(arg: z.output<T>, _?: CallbackManagerForToolRun, flowConfig?: {
        sessionId?: string;
        chatId?: string;
        input?: string;
        state?: ICommonObject;
    }): Promise<string>;
    setVariables(variables: any[]): void;
    setFlowObject(flow: any): void;
    isStrict(): boolean;
}