| from llama_index.core.indices.prompt_helper import PromptHelper | |
| from llama_index.core.node_parser import SentenceSplitter | |
| from llama_index.core import Settings | |
| # Initialize PromptHelper and SentenceSplitter | |
| prompt_helper = PromptHelper(context_window=2048) | |
| node_parser = SentenceSplitter(chunk_size=300, chunk_overlap=20) | |
| # Update Settings with helpers | |
| Settings.prompt_helper = prompt_helper | |
| Settings.node_parser = node_parser | |