# Graphs > langchain_neo4j → Graphs ## Classes - [`Neo4jSaver`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/Neo4jSaver) - [`AsyncNeo4jSaver`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/aio/AsyncNeo4jSaver) - [`BaseNeo4jSaver`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/BaseNeo4jSaver) - [`Neo4jChatMessageHistory`](https://reference.langchain.com/python/langchain-neo4j/chat_message_histories/neo4j/Neo4jChatMessageHistory) - [`GraphCypherQAChain`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain) - [`CypherQueryCorrector`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector) - [`Neo4jGraph`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph) - [`GraphStore`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_store/GraphStore) - [`Node`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Node) - [`Relationship`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Relationship) - [`GraphDocument`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/GraphDocument) - [`DataIngestionNotSupported`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/DataIngestionNotSupported) - [`Neo4jVector`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector) - [`DistanceStrategy`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy) - [`UnstructuredRelation`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation) - [`LLMGraphTransformer`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer) - [`Neo4jTranslator`](https://reference.langchain.com/python/langchain-neo4j/query_constructors/neo4j/Neo4jTranslator) ## Functions - [`get_async_connection()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_ainternal/get_async_connection) - [`create_async_driver()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_ainternal/create_async_driver) - [`get_async_session()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_ainternal/get_async_session) - [`get_connection()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_internal/get_connection) - [`create_driver()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_internal/create_driver) - [`get_session()`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_internal/get_session) - [`construct_schema()`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/construct_schema) - [`get_function_response()`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/get_function_response) - [`check_if_not_null()`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/check_if_not_null) - [`remove_lucene_chars()`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/remove_lucene_chars) - [`dict_to_yaml_str()`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/dict_to_yaml_str) - [`get_default_prompt()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/get_default_prompt) - [`optional_enum_field()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/optional_enum_field) - [`create_unstructured_prompt()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/create_unstructured_prompt) - [`create_simple_model()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/create_simple_model) - [`map_to_base_node()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/map_to_base_node) - [`map_to_base_relationship()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/map_to_base_relationship) - [`format_property_key()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/format_property_key) - [`validate_and_get_relationship_type()`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/validate_and_get_relationship_type) ## Modules - [`langchain_neo4j`](https://reference.langchain.com/python/langchain-neo4j/langchain_neo4j) - [`checkpoint`](https://reference.langchain.com/python/langchain-neo4j/checkpoint) - [`aio`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/aio) - [`base`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base) - [`chat_message_histories`](https://reference.langchain.com/python/langchain-neo4j/chat_message_histories) - [`neo4j`](https://reference.langchain.com/python/langchain-neo4j/chat_message_histories/neo4j) - [`chains`](https://reference.langchain.com/python/langchain-neo4j/chains) - [`graph_qa`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa) - [`cypher`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher) - [`cypher_utils`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils) - [`prompts`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/prompts) - [`graphs`](https://reference.langchain.com/python/langchain-neo4j/graphs) - [`neo4j_graph`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph) - [`graph_store`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_store) - [`graph_document`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document) - [`vectorstores`](https://reference.langchain.com/python/langchain-neo4j/vectorstores) - [`neo4j_vector`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector) - [`utils`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils) - [`graph_transformers`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers) - [`llm`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm) - [`query_constructors`](https://reference.langchain.com/python/langchain-neo4j/query_constructors) - [`neo4j`](https://reference.langchain.com/python/langchain-neo4j/query_constructors/neo4j) ## Types - [`AsyncConn`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_ainternal/AsyncConn) - [`Conn`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/_internal/Conn) ## Constants - [`CYPHER_CREATE_THREAD_CONSTRAINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_THREAD_CONSTRAINT) - [`CYPHER_CREATE_CHECKPOINT_CONSTRAINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_CHECKPOINT_CONSTRAINT) - [`CYPHER_CREATE_CHANNEL_STATE_CONSTRAINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_CHANNEL_STATE_CONSTRAINT) - [`CYPHER_CREATE_CHECKPOINT_ID_INDEX`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_CHECKPOINT_ID_INDEX) - [`CYPHER_CREATE_CHECKPOINT_CREATED_INDEX`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_CHECKPOINT_CREATED_INDEX) - [`CYPHER_CREATE_BRANCH_CONSTRAINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_BRANCH_CONSTRAINT) - [`CYPHER_CREATE_BRANCH_NAME_INDEX`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_BRANCH_NAME_INDEX) - [`CYPHER_UPSERT_CHECKPOINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_UPSERT_CHECKPOINT) - [`CYPHER_UPSERT_CHECKPOINT_SIMPLE`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_UPSERT_CHECKPOINT_SIMPLE) - [`CYPHER_LINK_PARENT_CHECKPOINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_LINK_PARENT_CHECKPOINT) - [`CYPHER_UPSERT_CHANNEL_STATE`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_UPSERT_CHANNEL_STATE) - [`CYPHER_UPSERT_WRITE`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_UPSERT_WRITE) - [`CYPHER_GET_CHECKPOINT_BY_ID`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_CHECKPOINT_BY_ID) - [`CYPHER_GET_LATEST_CHECKPOINT`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_LATEST_CHECKPOINT) - [`CYPHER_GET_CHANNEL_STATES`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_CHANNEL_STATES) - [`CYPHER_GET_WRITES`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_WRITES) - [`CYPHER_LIST_CHECKPOINTS`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_LIST_CHECKPOINTS) - [`CYPHER_DELETE_THREAD`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_DELETE_THREAD) - [`CYPHER_DELETE_ORPHAN_CHANNEL_STATES`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_DELETE_ORPHAN_CHANNEL_STATES) - [`CYPHER_CREATE_MAIN_BRANCH`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_MAIN_BRANCH) - [`CYPHER_CREATE_BRANCH`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_CREATE_BRANCH) - [`CYPHER_SET_ACTIVE_BRANCH`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_SET_ACTIVE_BRANCH) - [`CYPHER_UPDATE_BRANCH_HEAD`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_UPDATE_BRANCH_HEAD) - [`CYPHER_GET_ACTIVE_BRANCH_HEAD`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_ACTIVE_BRANCH_HEAD) - [`CYPHER_LIST_BRANCHES`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_LIST_BRANCHES) - [`CYPHER_LIST_BRANCH_CHECKPOINTS`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_LIST_BRANCH_CHECKPOINTS) - [`CYPHER_GET_CHECKPOINT_TREE`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_CHECKPOINT_TREE) - [`CYPHER_THREAD_HAS_BRANCHES`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_THREAD_HAS_BRANCHES) - [`CYPHER_GET_ACTIVE_BRANCH`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_GET_ACTIVE_BRANCH) - [`CYPHER_DELETE_BRANCH`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/CYPHER_DELETE_BRANCH) - [`serde`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/BaseNeo4jSaver/serde) - [`config_specs`](https://reference.langchain.com/python/langchain-neo4j/checkpoint/base/BaseNeo4jSaver/config_specs) - [`messages`](https://reference.langchain.com/python/langchain-neo4j/chat_message_histories/neo4j/Neo4jChatMessageHistory/messages) - [`INTERMEDIATE_STEPS_KEY`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/INTERMEDIATE_STEPS_KEY) - [`FUNCTION_RESPONSE_SYSTEM`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/FUNCTION_RESPONSE_SYSTEM) - [`graph`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/graph) - [`cypher_generation_chain`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/cypher_generation_chain) - [`qa_chain`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/qa_chain) - [`graph_schema`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/graph_schema) - [`input_key`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/input_key) - [`output_key`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/output_key) - [`example_key`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/example_key) - [`top_k`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/top_k) - [`return_intermediate_steps`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/return_intermediate_steps) - [`return_direct`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/return_direct) - [`cypher_query_corrector`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/cypher_query_corrector) - [`use_function_response`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/use_function_response) - [`allow_dangerous_requests`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/allow_dangerous_requests) - [`input_keys`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/input_keys) - [`output_keys`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher/GraphCypherQAChain/output_keys) - [`Schema`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/Schema) - [`property_pattern`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/property_pattern) - [`node_pattern`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/node_pattern) - [`path_pattern`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/path_pattern) - [`node_relation_node_pattern`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/node_relation_node_pattern) - [`relation_type_pattern`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/relation_type_pattern) - [`schemas`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/cypher_utils/CypherQueryCorrector/schemas) - [`CYPHER_GENERATION_TEMPLATE`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/prompts/CYPHER_GENERATION_TEMPLATE) - [`CYPHER_GENERATION_PROMPT`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/prompts/CYPHER_GENERATION_PROMPT) - [`CYPHER_QA_TEMPLATE`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/prompts/CYPHER_QA_TEMPLATE) - [`CYPHER_QA_PROMPT`](https://reference.langchain.com/python/langchain-neo4j/chains/graph_qa/prompts/CYPHER_QA_PROMPT) - [`include_docs_query`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/include_docs_query) - [`timeout`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/timeout) - [`sanitize`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/sanitize) - [`schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/schema) - [`structured_schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/structured_schema) - [`get_schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/get_schema) - [`get_structured_schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/neo4j_graph/Neo4jGraph/get_structured_schema) - [`get_schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_store/GraphStore/get_schema) - [`get_structured_schema`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_store/GraphStore/get_structured_schema) - [`id`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Node/id) - [`type`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Node/type) - [`properties`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Node/properties) - [`source`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Relationship/source) - [`target`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Relationship/target) - [`type`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Relationship/type) - [`properties`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/Relationship/properties) - [`nodes`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/GraphDocument/nodes) - [`relationships`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/GraphDocument/relationships) - [`source`](https://reference.langchain.com/python/langchain-neo4j/graphs/graph_document/GraphDocument/source) - [`DEFAULT_DISTANCE_STRATEGY`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/DEFAULT_DISTANCE_STRATEGY) - [`DISTANCE_MAPPING`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/DISTANCE_MAPPING) - [`DEFAULT_SEARCH_TYPE`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/DEFAULT_SEARCH_TYPE) - [`DEFAULT_INDEX_TYPE`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/DEFAULT_INDEX_TYPE) - [`schema`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/schema) - [`embedding`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/embedding) - [`index_name`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/index_name) - [`keyword_index_name`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/keyword_index_name) - [`node_label`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/node_label) - [`embedding_node_property`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/embedding_node_property) - [`text_node_property`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/text_node_property) - [`logger`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/logger) - [`override_relevance_score_fn`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/override_relevance_score_fn) - [`retrieval_query`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/retrieval_query) - [`search_type`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/search_type) - [`embedding_dimension`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/embedding_dimension) - [`embeddings`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/neo4j_vector/Neo4jVector/embeddings) - [`EUCLIDEAN_DISTANCE`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy/EUCLIDEAN_DISTANCE) - [`MAX_INNER_PRODUCT`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy/MAX_INNER_PRODUCT) - [`DOT_PRODUCT`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy/DOT_PRODUCT) - [`JACCARD`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy/JACCARD) - [`COSINE`](https://reference.langchain.com/python/langchain-neo4j/vectorstores/utils/DistanceStrategy/COSINE) - [`DEFAULT_NODE_TYPE`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/DEFAULT_NODE_TYPE) - [`examples`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/examples) - [`system_prompt`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/system_prompt) - [`nodes`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/_Graph/nodes) - [`relationships`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/_Graph/relationships) - [`head`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation/head) - [`head_type`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation/head_type) - [`relation`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation/relation) - [`tail`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation/tail) - [`tail_type`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/UnstructuredRelation/tail_type) - [`allowed_nodes`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer/allowed_nodes) - [`allowed_relationships`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer/allowed_relationships) - [`strict_mode`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer/strict_mode) - [`json_repair`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer/json_repair) - [`chain`](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/LLMGraphTransformer/chain) - [`allowed_operators`](https://reference.langchain.com/python/langchain-neo4j/query_constructors/neo4j/Neo4jTranslator/allowed_operators) - [`allowed_comparators`](https://reference.langchain.com/python/langchain-neo4j/query_constructors/neo4j/Neo4jTranslator/allowed_comparators)