diff --git a/docs/examples_notebooks/api_overview.ipynb b/docs/examples_notebooks/api_overview.ipynb
index abcd7832..2a0c0f15 100644
--- a/docs/examples_notebooks/api_overview.ipynb
+++ b/docs/examples_notebooks/api_overview.ipynb
@@ -28,11 +28,10 @@
     "from pathlib import Path\n",
     "from pprint import pprint\n",
     "\n",
+    "import graphrag.api as api\n",
     "import pandas as pd\n",
     "from graphrag.config.load_config import load_config\n",
-    "from graphrag.index.typing.pipeline_run_result import PipelineRunResult\n",
-    "\n",
-    "import graphrag.api as api"
+    "from graphrag.index.typing.pipeline_run_result import PipelineRunResult"
    ]
   },
   {
diff --git a/docs/examples_notebooks/input_documents.ipynb b/docs/examples_notebooks/input_documents.ipynb
index 505c0fe1..5657770e 100644
--- a/docs/examples_notebooks/input_documents.ipynb
+++ b/docs/examples_notebooks/input_documents.ipynb
@@ -30,11 +30,10 @@
     "from pathlib import Path\n",
     "from pprint import pprint\n",
     "\n",
+    "import graphrag.api as api\n",
     "import pandas as pd\n",
     "from graphrag.config.load_config import load_config\n",
-    "from graphrag.index.typing.pipeline_run_result import PipelineRunResult\n",
-    "\n",
-    "import graphrag.api as api"
+    "from graphrag.index.typing.pipeline_run_result import PipelineRunResult"
    ]
   },
   {
diff --git a/packages/graphrag/graphrag/cli/index.py b/packages/graphrag/graphrag/cli/index.py
index 60b724ea..94a40cde 100644
--- a/packages/graphrag/graphrag/cli/index.py
+++ b/packages/graphrag/graphrag/cli/index.py
@@ -9,9 +9,11 @@ import sys
 import warnings
 from pathlib import Path
 
+from graphrag_cache.cache_type import CacheType
+
 import graphrag.api as api
 from graphrag.callbacks.console_workflow_callbacks import ConsoleWorkflowCallbacks
-from graphrag.config.enums import CacheType, IndexingMethod
+from graphrag.config.enums import IndexingMethod
 from graphrag.config.load_config import load_config
 from graphrag.index.validate_config import validate_config_names
 from graphrag.utils.cli import redact
@@ -102,7 +104,7 @@ def _run_index(
     )
 
     if not cache:
-        config.cache.type = CacheType.none
+        config.cache.type = CacheType.Noop
 
     if not skip_validation:
         validate_config_names(config)
diff --git a/packages/graphrag/graphrag/config/defaults.py b/packages/graphrag/graphrag/config/defaults.py
index e330c824..2edf1f90 100644
--- a/packages/graphrag/graphrag/config/defaults.py
+++ b/packages/graphrag/graphrag/config/defaults.py
@@ -15,12 +15,12 @@ from graphrag.config.enums import (
     AsyncType,
     AuthType,
     ChunkStrategyType,
-    InputFileType,
     ModelType,
     NounPhraseExtractorType,
     ReportingType,
     VectorStoreType,
 )
+from graphrag.index.input.input_file_type import InputFileType
 from graphrag.index.operations.build_noun_graph.np_extractors.stop_words import (
     EN_STOP_WORDS,
 )
@@ -241,7 +241,7 @@ class InputDefaults:
     """Default values for input."""
 
     storage: InputStorageDefaults = field(default_factory=InputStorageDefaults)
-    file_type: ClassVar[InputFileType] = InputFileType.text
+    file_type: ClassVar[InputFileType] = InputFileType.Text
     encoding: str = "utf-8"
     file_pattern: str = ""
     text_column: str = "text"
diff --git a/packages/graphrag/graphrag/config/enums.py b/packages/graphrag/graphrag/config/enums.py
index a5b6b74a..b615e547 100644
--- a/packages/graphrag/graphrag/config/enums.py
+++ b/packages/graphrag/graphrag/config/enums.py
@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from enum import Enum, StrEnum
+from enum import Enum
 
 
 class CacheType(str, Enum):
@@ -27,38 +27,6 @@ class CacheType(str, Enum):
         return f'"{self.value}"'
 
 
-class InputFileType(StrEnum):
-    """The input file type for the pipeline."""
-
-    csv = "csv"
-    """The CSV input type."""
-    text = "text"
-    """The text input type."""
-    json = "json"
-    """The JSON input type."""
-
-    def __repr__(self):
-        """Get a string representation."""
-        return f'"{self.value}"'
-
-
-class StorageType(str, Enum):
-    """The output type for the pipeline."""
-
-    file = "file"
-    """The file output type."""
-    memory = "memory"
-    """The memory output type."""
-    blob = "blob"
-    """The blob output type."""
-    cosmosdb = "cosmosdb"
-    """The cosmosdb output type"""
-
-    def __repr__(self):
-        """Get a string representation."""
-        return f'"{self.value}"'
-
-
 class VectorStoreType(str, Enum):
     """The supported vector store types."""
 
diff --git a/packages/graphrag/graphrag/config/models/graph_rag_config.py b/packages/graphrag/graphrag/config/models/graph_rag_config.py
index 9a1ac89b..10a2f41d 100644
--- a/packages/graphrag/graphrag/config/models/graph_rag_config.py
+++ b/packages/graphrag/graphrag/config/models/graph_rag_config.py
@@ -24,7 +24,6 @@ from graphrag.config.models.extract_claims_config import ExtractClaimsConfig
 from graphrag.config.models.extract_graph_config import ExtractGraphConfig
 from graphrag.config.models.extract_graph_nlp_config import ExtractGraphNLPConfig
 from graphrag.config.models.global_search_config import GlobalSearchConfig
-from graphrag.config.models.input_config import InputConfig
 from graphrag.config.models.language_model_config import LanguageModelConfig
 from graphrag.config.models.local_search_config import LocalSearchConfig
 from graphrag.config.models.prune_graph_config import PruneGraphConfig
@@ -34,6 +33,7 @@ from graphrag.config.models.summarize_descriptions_config import (
     SummarizeDescriptionsConfig,
 )
 from graphrag.config.models.vector_store_config import VectorStoreConfig
+from graphrag.index.input.input_config import InputConfig
 from graphrag.language_model.providers.litellm.services.rate_limiter.rate_limiter_factory import (
     RateLimiterFactory,
 )
@@ -110,7 +110,7 @@ class GraphRagConfig(BaseModel):
     def _validate_input_pattern(self) -> None:
         """Validate the input file pattern based on the specified type."""
         if len(self.input.file_pattern) == 0:
-            if self.input.file_type == defs.InputFileType.text:
+            if self.input.file_type == defs.InputFileType.Text:
                 self.input.file_pattern = ".*\\.txt$"
             else:
                 self.input.file_pattern = f".*\\.{self.input.file_type}$"
diff --git a/packages/graphrag/graphrag/config/models/input_config.py b/packages/graphrag/graphrag/index/input/input_config.py
similarity index 93%
rename from packages/graphrag/graphrag/config/models/input_config.py
rename to packages/graphrag/graphrag/index/input/input_config.py
index e3ebb9cd..7a86075f 100644
--- a/packages/graphrag/graphrag/config/models/input_config.py
+++ b/packages/graphrag/graphrag/index/input/input_config.py
@@ -14,7 +14,7 @@ class InputConfig(BaseModel):
     """The default configuration section for Input."""
 
     model_config = ConfigDict(extra="allow")
-    """Allow extra fields to support custom cache implementations."""
+    """Allow extra fields to support custom reader implementations."""
 
     storage: StorageConfig = Field(
         description="The storage configuration to use for reading input documents.",
@@ -34,7 +34,7 @@ class InputConfig(BaseModel):
         description="The input file pattern to use.",
         default=graphrag_config_defaults.input.file_pattern,
     )
-    text_column: str = Field(
+    text_column: str | None = Field(
         description="The input text column to use.",
         default=graphrag_config_defaults.input.text_column,
     )
diff --git a/packages/graphrag/graphrag/index/input/input_file_type.py b/packages/graphrag/graphrag/index/input/input_file_type.py
new file mode 100644
index 00000000..3996eee3
--- /dev/null
+++ b/packages/graphrag/graphrag/index/input/input_file_type.py
@@ -0,0 +1,21 @@
+# Copyright (c) 2024 Microsoft Corporation.
+# Licensed under the MIT License
+
+"""A module containing input file type enum."""
+
+from enum import StrEnum
+
+
+class InputFileType(StrEnum):
+    """The input file type for the pipeline."""
+
+    Csv = "csv"
+    """The CSV input type."""
+    Text = "text"
+    """The text input type."""
+    Json = "json"
+    """The JSON input type."""
+
+    def __repr__(self):
+        """Get a string representation."""
+        return f'"{self.value}"'
diff --git a/packages/graphrag/graphrag/index/input/input_reader_factory.py b/packages/graphrag/graphrag/index/input/input_reader_factory.py
index a548ad47..e0b391d7 100644
--- a/packages/graphrag/graphrag/index/input/input_reader_factory.py
+++ b/packages/graphrag/graphrag/index/input/input_reader_factory.py
@@ -10,8 +10,8 @@ from graphrag_common.factory import Factory
 from graphrag_common.factory.factory import ServiceScope
 from graphrag_storage.storage import Storage
 
-from graphrag.config.enums import InputFileType
-from graphrag.config.models.input_config import InputConfig
+from graphrag.index.input.input_config import InputConfig
+from graphrag.index.input.input_file_type import InputFileType
 from graphrag.index.input.input_reader import InputReader
 
 logger = logging.getLogger(__name__)
@@ -61,18 +61,18 @@ def create_input_reader(config: InputConfig, storage: Storage) -> InputReader:
 
     if input_strategy not in input_reader_factory:
         match input_strategy:
-            case InputFileType.csv:
+            case InputFileType.Csv:
                 from graphrag.index.input.csv import CSVFileReader
 
-                register_input_reader(InputFileType.csv, CSVFileReader)
-            case InputFileType.text:
+                register_input_reader(InputFileType.Csv, CSVFileReader)
+            case InputFileType.Text:
                 from graphrag.index.input.text import TextFileReader
 
-                register_input_reader(InputFileType.text, TextFileReader)
-            case InputFileType.json:
+                register_input_reader(InputFileType.Text, TextFileReader)
+            case InputFileType.Json:
                 from graphrag.index.input.json import JSONFileReader
 
-                register_input_reader(InputFileType.json, JSONFileReader)
+                register_input_reader(InputFileType.Json, JSONFileReader)
             case _:
                 msg = f"InputConfig.file_type '{input_strategy}' is not registered in the InputReaderFactory. Registered types: {', '.join(input_reader_factory.keys())}."
                 raise ValueError(msg)
diff --git a/tests/unit/config/utils.py b/tests/unit/config/utils.py
index 1315907e..3f505275 100644
--- a/tests/unit/config/utils.py
+++ b/tests/unit/config/utils.py
@@ -18,7 +18,6 @@ from graphrag.config.models.extract_graph_nlp_config import (
 )
 from graphrag.config.models.global_search_config import GlobalSearchConfig
 from graphrag.config.models.graph_rag_config import GraphRagConfig
-from graphrag.config.models.input_config import InputConfig
 from graphrag.config.models.language_model_config import LanguageModelConfig
 from graphrag.config.models.local_search_config import LocalSearchConfig
 from graphrag.config.models.prune_graph_config import PruneGraphConfig
@@ -28,6 +27,7 @@ from graphrag.config.models.summarize_descriptions_config import (
     SummarizeDescriptionsConfig,
 )
 from graphrag.config.models.vector_store_config import VectorStoreConfig
+from graphrag.index.input.input_config import InputConfig
 from graphrag_cache import CacheConfig
 from graphrag_storage import StorageConfig
 from pydantic import BaseModel
diff --git a/tests/unit/indexing/input/test_csv_loader.py b/tests/unit/indexing/input/test_csv_loader.py
index 938ce4ca..f4c1c3cf 100644
--- a/tests/unit/indexing/input/test_csv_loader.py
+++ b/tests/unit/indexing/input/test_csv_loader.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2024 Microsoft Corporation.
 # Licensed under the MIT License
 
-from graphrag.config.enums import InputFileType
-from graphrag.config.models.input_config import InputConfig
+from graphrag.index.input.input_config import InputConfig
+from graphrag.index.input.input_file_type import InputFileType
 from graphrag.index.input.input_reader_factory import (
     create_input_reader,
 )
@@ -14,7 +14,7 @@ async def test_csv_loader_one_file():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-csv",
         ),
-        file_type=InputFileType.csv,
+        file_type=InputFileType.Csv,
         file_pattern=".*\\.csv$",
     )
     storage = create_storage(config.storage)
@@ -29,7 +29,7 @@ async def test_csv_loader_one_file_with_title():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-csv",
         ),
-        file_type=InputFileType.csv,
+        file_type=InputFileType.Csv,
         file_pattern=".*\\.csv$",
         title_column="title",
     )
@@ -45,7 +45,7 @@ async def test_csv_loader_one_file_with_metadata():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-csv",
         ),
-        file_type=InputFileType.csv,
+        file_type=InputFileType.Csv,
         file_pattern=".*\\.csv$",
         title_column="title",
         metadata=["title"],
@@ -62,7 +62,7 @@ async def test_csv_loader_multiple_files():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/multiple-csvs",
         ),
-        file_type=InputFileType.csv,
+        file_type=InputFileType.Csv,
         file_pattern=".*\\.csv$",
     )
     storage = create_storage(config.storage)
diff --git a/tests/unit/indexing/input/test_json_loader.py b/tests/unit/indexing/input/test_json_loader.py
index d5cb0044..d604ca9c 100644
--- a/tests/unit/indexing/input/test_json_loader.py
+++ b/tests/unit/indexing/input/test_json_loader.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2024 Microsoft Corporation.
 # Licensed under the MIT License
 
-from graphrag.config.enums import InputFileType
-from graphrag.config.models.input_config import InputConfig
+from graphrag.index.input.input_config import InputConfig
+from graphrag.index.input.input_file_type import InputFileType
 from graphrag.index.input.input_reader_factory import create_input_reader
 from graphrag_storage import StorageConfig, create_storage
 
@@ -12,7 +12,7 @@ async def test_json_loader_one_file_one_object():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-json-one-object",
         ),
-        file_type=InputFileType.json,
+        file_type=InputFileType.Json,
         file_pattern=".*\\.json$",
     )
     storage = create_storage(config.storage)
@@ -27,7 +27,7 @@ async def test_json_loader_one_file_multiple_objects():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-json-multiple-objects",
         ),
-        file_type=InputFileType.json,
+        file_type=InputFileType.Json,
         file_pattern=".*\\.json$",
     )
     storage = create_storage(config.storage)
@@ -43,7 +43,7 @@ async def test_json_loader_one_file_with_title():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-json-one-object",
         ),
-        file_type=InputFileType.json,
+        file_type=InputFileType.Json,
         file_pattern=".*\\.json$",
         title_column="title",
     )
@@ -59,7 +59,7 @@ async def test_json_loader_one_file_with_metadata():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-json-one-object",
         ),
-        file_type=InputFileType.json,
+        file_type=InputFileType.Json,
         file_pattern=".*\\.json$",
         title_column="title",
         metadata=["title"],
@@ -76,7 +76,7 @@ async def test_json_loader_multiple_files():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/multiple-jsons",
         ),
-        file_type=InputFileType.json,
+        file_type=InputFileType.Json,
         file_pattern=".*\\.json$",
     )
     storage = create_storage(config.storage)
diff --git a/tests/unit/indexing/input/test_txt_loader.py b/tests/unit/indexing/input/test_txt_loader.py
index 0395741d..67d07646 100644
--- a/tests/unit/indexing/input/test_txt_loader.py
+++ b/tests/unit/indexing/input/test_txt_loader.py
@@ -1,8 +1,8 @@
 # Copyright (c) 2024 Microsoft Corporation.
 # Licensed under the MIT License
 
-from graphrag.config.enums import InputFileType
-from graphrag.config.models.input_config import InputConfig
+from graphrag.index.input.input_config import InputConfig
+from graphrag.index.input.input_file_type import InputFileType
 from graphrag.index.input.input_reader_factory import create_input_reader
 from graphrag_storage import StorageConfig, create_storage
 
@@ -12,7 +12,7 @@ async def test_txt_loader_one_file():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-txt",
         ),
-        file_type=InputFileType.text,
+        file_type=InputFileType.Text,
         file_pattern=".*\\.txt$",
     )
     storage = create_storage(config.storage)
@@ -27,7 +27,7 @@ async def test_txt_loader_one_file_with_metadata():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/one-txt",
         ),
-        file_type=InputFileType.text,
+        file_type=InputFileType.Text,
         file_pattern=".*\\.txt$",
         metadata=["title"],
     )
@@ -44,7 +44,7 @@ async def test_txt_loader_multiple_files():
         storage=StorageConfig(
             base_dir="tests/unit/indexing/input/data/multiple-txts",
         ),
-        file_type=InputFileType.text,
+        file_type=InputFileType.Text,
         file_pattern=".*\\.txt$",
     )
     storage = create_storage(config.storage)
diff --git a/unified-search-app/app/app_logic.py b/unified-search-app/app/app_logic.py
index a573b9da..dc64e0e7 100644
--- a/unified-search-app/app/app_logic.py
+++ b/unified-search-app/app/app_logic.py
@@ -7,6 +7,7 @@ import asyncio
 import logging
 from typing import TYPE_CHECKING
 
+import graphrag.api as api
 import streamlit as st
 from knowledge_loader.data_sources.loader import (
     create_datasource,
@@ -17,8 +18,6 @@ from rag.typing import SearchResult, SearchType
 from state.session_variables import SessionVariables
 from ui.search import display_search_result
 
-import graphrag.api as api
-
 if TYPE_CHECKING:
     import pandas as pd