from importlib.metadata import version

from llama_index.core import Document, Settings
from llama_index.core.node_parser import SentenceSplitter
from llama_index.core.utils import get_tokenizer


sample_text = (
    "Refund intake records the ticket number and requested credit. "
    "Billing review confirms the invoice status and approval owner. "
    "Manager approval records the customer message and follow-up date. "
    "Shipping exceptions retain the carrier notes and delivery estimate. "
    "Final archive keeps the refund decision and audit timestamp. "
    "Escalation notes list the support queue and backup approver. "
    "Resolution summaries capture the promised response date. "
    "Quality review compares the outcome with the original policy."
)