Azure Data Lake File System Manager

from typing import Dict, Any, Optional

def create_filesystem(service_client, filesystem_name: str, metadata: Optional[Dict[str, str]] = None) -> bool:
    """
    Creates a new file system in Azure Data Lake Storage.

    Args:
        service_client: The DataLakeServiceClient instance
        filesystem_name: Name of the file system to create
        metadata: Optional metadata to associate with the file system

    Returns:
        True if created successfully, False if already exists
    """
    pass

def delete_filesystem(service_client, filesystem_name: str) -> bool:
    """
    Deletes a file system from Azure Data Lake Storage.

    Args:
        service_client: The DataLakeServiceClient instance
        filesystem_name: Name of the file system to delete

    Returns:
        True if deleted successfully, False if not found
    """
    pass

def filesystem_exists(service_client, filesystem_name: str) -> bool:
    """
    Checks if a file system exists in Azure Data Lake Storage.

    Args:
        service_client: The DataLakeServiceClient instance
        filesystem_name: Name of the file system to check

    Returns:
        True if the file system exists, False otherwise
    """
    pass

def get_filesystem_properties(service_client, filesystem_name: str) -> Optional[Dict[str, Any]]:
    """
    Retrieves properties and metadata of a file system.

    Args:
        service_client: The DataLakeServiceClient instance
        filesystem_name: Name of the file system

    Returns:
        Dictionary containing properties including metadata, or None if not found
    """
    pass