# Type hints
from typing import Any, Dict, List, Tuple

# Standard library
import ast
import logging
import re
import warnings

# Third-party packages - Data manipulation
import pandas as pd
from tqdm import tqdm

# Third-party packages - Environment & Database
from dotenv import load_dotenv
from neo4j import GraphDatabase

# Third-party packages - Error handling & Retry logic
from tenacity import retry, stop_after_attempt, wait_exponential

# Langchain - Core
from langchain.chains import GraphCypherQAChain
from langchain.prompts import PromptTemplate
from langchain_core.documents import Document

# Langchain - Models & Connectors
from langchain_google_genai import ChatGoogleGenerativeAI, GoogleGenerativeAI
from langchain_ollama.llms import OllamaLLM

# Langchain - Graph & Experimental
from langchain_community.graphs import Neo4jGraph
from langchain_experimental.graph_transformers import LLMGraphTransformer

# Suppress warnings
warnings.filterwarnings('ignore')

# Load environment variables
load_dotenv()