import enum
import typing
import uuid
from dataclasses import dataclass

# Block Convertor class for request path parameters.
@dataclass(frozen=True)
class Convertor:
    regex: str

    def convert(self, value: str) -> typing.Any: ...
    def to_string(self, value: typing.Any) -> str: ...

@dataclass(frozen=True)
class StringConvertor(Convertor):
    regex = '.*'

    def convert(self, value: str) -> str: ...
    def to_string(self, value: str) -> str: ...

@dataclass(frozen=True)
class PathConvertor(Convertor):
    regex = '.*'

    def convert(self, value: str) -> str: ...
    def to_string(self, value: str) -> str: ...

@dataclass(frozen=True)
class IntegerConvertor(Convertor):
    regex = '[0-9]+'

    def convert(self, value: str) -> int: ...
    def to_string(self, value: int) -> str: ...

@dataclass(frozen=True)
class FloatConvertor(Convertor):
    regex = r'[0-9]+(\.[0-9]+)?'

    def convert(self, value: str) -> float: ...
    def to_string(self, value: float) -> str: ...

@dataclass(frozen=True)
class UUIDConvertor(Convertor):
    regex = (
        '[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}'
    )

    def convert(self, value: str) -> uuid.UUID: ...
    def to_string(self, value: uuid.UUID) -> str: ...

def compile_path(
    path: str, convertor_types: dict[str, Convertor]
) -> tuple[str, str, dict[str, Convertor]]:
    # This function would compile a path using the provided convertor types.
    # The implementation is not provided in the original code snippet.
    ...

# Block for Optimization and caching of responses.
@dataclass(frozen=True)
class ResponseCache:
    max_size: int
    cache: dict[str, typing.Any]
    access_order: list[str]

    def get(self, key: str) -> typing.Any | None: ...
    def put(self, key: str, value: typing.Any) -> None: ...

# Block for Dependency Injection and caching of signatures.
def di_cached_signature(func: typing.Callable) -> typing.Any:
    pass

class Provide:
    service: typing.Any

    def __class_getitem__(cls, service: typing.Any) -> Provide: ...

@dataclass(frozen=True)
class Provider:
    ...

    def get(
        self,
        scope: typing.Any | None = None,
        resolution_stack: typing.Any | None = None,
    ) -> typing.Any: ...

@dataclass(frozen=True)
class SingletonProvider(Provider):
    cls: type
    kwargs: dict[str, typing.Any] = None
    lock_key: str

    def __init__(
        self, cls: type, kwargs: dict[str, typing.Any] | None = None
    ) -> None: ...
    def get(
        self,
        scope: typing.Any | None = None,
        resolution_stack: typing.Any | None = None,
    ) -> typing.Any: ...

@dataclass(frozen=True)
class FactoryProvider(Provider):
    cls: type
    kwargs: dict[str, typing.Any] = None

    def __init__(
        self, cls: type, kwargs: dict[str, typing.Any] | None = None
    ) -> None: ...
    def get(
        self,
        scope: typing.Any | None = None,
        resolution_stack: typing.Any | None = None,
    ) -> typing.Any: ...

@dataclass(frozen=True)
class AsyncFactoryProvider(Provider):
    cls: type
    kwargs: dict[str, typing.Any] = None

    def __init__(
        self, cls: type, kwargs: dict[str, typing.Any] | None = None
    ) -> None: ...
    async def get(
        self,
        scope: typing.Any | None = None,
        resolution_stack: typing.Any | None = None,
    ) -> typing.Any: ...

@dataclass(frozen=True)
class ServiceContainer:
    ...

    def resolve(
        self,
        provide: typing.Any,
        scope: typing.Any | None = None,
        resolution_stack: typing.Any | None = None,
    ) -> typing.Any: ...

# Block for Rust-based logging system.
class LogLevel(str, enum.Enum):
    Debug = 'DEBUG'
    Info = 'INFO'
    Warn = 'WARNING'
    Error = 'ERROR'
    Critical = 'CRITICAL'

    def from_str(cls, s: str) -> LogLevel: ...
    def to_str(self) -> str: ...
    def to_int(self) -> int: ...

def configure_logger(
    log_file: str | None,
    level: str,
    lof_format: str,
    log_to_file: bool,
    max_bytes: int,
    backup_count: int,
) -> None: ...
def log_debug(
    message: str,
    module: str,
    line: int,
) -> None: ...
def log_debug_with_extra(
    message: str,
    module: str,
    line: int,
    extra: dict[str, typing.Any],
) -> None: ...
def log_info(
    message: str,
    module: str,
    line: int,
) -> None: ...
def log_info_with_extra(
    message: str,
    module: str,
    line: int,
    extra: dict[str, typing.Any],
) -> None: ...
def log_warn(
    message: str,
    module: str,
    line: int,
) -> None: ...
def log_warn_with_extra(
    message: str,
    module: str,
    line: int,
    extra: dict[str, typing.Any],
) -> None: ...
def log_error(
    message: str,
    module: str,
    line: int,
) -> None: ...
def log_error_with_extra(
    message: str,
    module: str,
    line: int,
    extra: dict[str, typing.Any],
) -> None: ...
def log_critical(
    message: str,
    module: str,
    line: int,
) -> None: ...
def log_critical_with_extra(
    message: str,
    module: str,
    line: int,
    extra: dict[str, typing.Any],
) -> None: ...
def is_enabled_for(level: str) -> bool: ...

# Block for VSP service management.

class HealthStatus(str, enum.Enum):
    Healthy = 'HealthStatus.Healthy'
    Unhealthy = 'HealthStatus.Unhealthy'
    Unknown = 'HealthStatus.Unknown'

    def __repr__(self) -> str: ...

@dataclass(frozen=True)
class ServiceInfo:
    name: str
    host: str
    port: int
    weight: int = 1
    health_status: bool = True
    last_health_check: float = 0.0

    def mark_unhealthy(self) -> None: ...
    def mark_healthy(self) -> None: ...
    def is_healthy(self) -> bool: ...
    def endpoint(self) -> str: ...

class LoadBalancer:
    """Abstract Load Balancer interface."""

    def select(self, instances: list[ServiceInfo]) -> ServiceInfo:
        """Select a service instance."""
        ...

@dataclass(frozen=True)
class RoundRobinBalancer(LoadBalancer):
    """Round-Robin Load Balancer."""

    index: int = 0

    def select(self, instances: list[ServiceInfo]) -> ServiceInfo: ...

@dataclass(frozen=True)
class WeightedBalancer(LoadBalancer):
    """Weighted Load Balancer based on instance weight."""

    def select(self, instances: list[ServiceInfo]) -> ServiceInfo: ...

# Block for Background tasks management.
@dataclass(frozen=True)
class BackgroundTask:
    """Background task that can be executed asynchronously."""

    func: typing.Callable[..., typing.Any]
    args: tuple[typing.Any, ...]
    kwargs: dict[str, typing.Any]
    is_async: bool

    async def __call__(self) -> None:
        """Execute the background task."""
        ...

@dataclass(frozen=True)
class BackgroundTasks:
    """Collection of background tasks to be executed."""

    tasks: list[BackgroundTask]
    max_concurrent: int = 10

    def add_task(
        self,
        func: typing.Callable[..., typing.Any],
        *args: typing.Any,
        **kwargs: typing.Any,
    ) -> None:
        """Add a new task to the collection."""
        ...

    async def __call__(self, continue_on_error: bool = True) -> None:
        """Execute all background tasks concurrently."""
        ...
    async def run_all(self, continue_on_error: bool = True) -> None:
        """Run all tasks in the collection."""
        # This method would run all tasks concurrently, handling errors based on continue_on_error flag.  # noqa: E501
        ...

    async def clear(self) -> None:
        """Clear all tasks in the collection."""
        ...

# Block for routing and request handling.
class Match(int, enum.Enum):
    """Enum for matching results."""

    NONE = 0
    PARTIAL = 1
    FULL = 2

@dataclass(frozen=True)
class _RouteOptimizer:
    path_regex: str
    param_convertors: dict[str, Convertor]
    method: dict[str, typing.Any]
    path_cache: dict[str, dict[str, typing.Any] | None]
    max_cache_size: int
    is_simple_route: bool
    simple_path: str | None

    def match(
        self, route_path: str, method: str
    ) -> tuple[Match, dict[str, typing.Any]]:
        """Match a route path against the optimizer's path regex."""
        ...
    def get_allowed_methods(self) -> list[str]:
        """Get allowed methods for the route."""
        ...
    def clear_cache(self) -> None:
        """Clear the cache for the route optimizer."""
        ...
    def cache_stats(self) -> tuple[int, int]:
        """Get cache statistics."""
        ...

@dataclass(frozen=True)
class _RouterOptimizer:
    extrac_routes: dict[str, int]  # path:method -> route index
    route_lookup: dict[str, int]  # path:method -> route index or -1 for not found
    max_cache_size: int

    def cache_route(self, path: str, method: str, route_index: int) -> None:
        """Cache a route in the router optimizer."""
        ...
    def lookup_route(self, path: str, method: str) -> int:
        """Lookup a route in the router optimizer."""
        ...
    def clear_cache(self) -> None:
        """Clear the cache for the router optimizer."""
        ...
    def cache_stats(self) -> tuple[int, int, int]:
        """Get cache statistics for the router optimizer."""
        ...

@dataclass(frozen=True)
class _RoutePatternMatcher:
    patterns: list[tuple[str, str, dict[str, Convertor]]]
    extrac_paths: dict[str, int]  # path:method -> route index

    def add_pattern(
        self,
        path_regex: str,
        path_format: str,
        param_convertors: dict[str, Convertor],
        is_exact_path: bool,
    ) -> None:
        """Add a new pattern to the matcher."""
        ...
    def match_path(self, route_path: str) -> tuple[int, dict[str, typing.Any]]:
        """Match a route path against the patterns."""
        # This method would match the route path against the compiled patterns and return the match result.  # noqa: E501
        ...

    def pattern_count(self) -> int:
        """Get the number of patterns in the matcher."""
        ...
    def clear(self) -> None:
        """Clear all patterns in the matcher."""
        ...

# Proxy classes
class ProxyClient:
    """High-performance HTTP proxy client with circuit breaker pattern."""

    def __init__(
        self,
        target_url: str,
        timeout_ms: int = 30000,
        max_retries: int = 3,
        max_failures: int = 5,
        recovery_timeout_ms: int = 60000,
    ) -> None: ...
    async def forward_request(
        self,
        method: str,
        path: str,
        headers: dict[str, str] | None = None,
        body: bytes | None = None,
        query_params: dict[str, str] | None = None,
    ) -> tuple[int, dict[str, str], bytes]: ...
    async def get_circuit_breaker_status(self) -> tuple[str, int, int | None]: ...
    async def reset_circuit_breaker(self) -> None: ...

class ProxyLoadBalancer:
    """Load balancer for multiple proxy targets with health checking."""

    def __init__(
        self,
        targets: list[str],
        strategy: str = 'round_robin',
        weights: list[int] | None = None,
        health_check_url: str | None = None,
    ) -> None: ...
    async def get_next_target(self) -> str: ...
    async def health_check(self) -> None: ...
    async def get_health_status(self) -> list[tuple[str, bool]]: ...

# Block for Template Engine classes and functions.
class _TemplateEngine:
    """High-performance template engine with Handlebars syntax."""

    def __init__(
        self,
        template_dir: str,
        auto_reload: bool = True,
        cache_enabled: bool = True,
        strict_mode: bool = True,
    ) -> None: ...
    def render(
        self, template_name: str, context: dict[str, typing.Any] | None = None
    ) -> str: ...
    def load_template(self, template_name: str) -> None: ...
    def load_templates(self) -> list[str]: ...
    def register_template(self, name: str, content: str) -> None: ...
    def clear_templates(self) -> None: ...
    def get_template_names(self) -> list[str]: ...
    def is_template_registered(self, name: str) -> bool: ...
    def get_template_dir(self) -> str: ...
    def set_strict_mode(self, strict: bool) -> None: ...

class _TemplateResponse:
    """Template response for convenient HTTP responses."""

    def __init__(
        self,
        engine: _TemplateEngine,
        template_name: str,
        context: dict[str, typing.Any] | None = None,
        status_code: int | None = 200,
    ) -> None: ...
    def render(self) -> str: ...
    def get_status_code(self) -> int: ...
    def set_status_code(self, status_code: int) -> None: ...
    def get_headers(self) -> dict[str, str]: ...
    def set_header(self, key: str, value: str) -> None: ...
    def add_headers(self, headers: dict[str, str]) -> None: ...

def create_template_engine(
    template_dir: str,
    auto_reload: bool | None = True,
    cache_enabled: bool | None = True,
    strict_mode: bool | None = True,
) -> _TemplateEngine: ...
