export declare const GRPC_OPTIONS = "GRPC_OPTIONS";
export declare const GRPC_CONTROLLER_METADATA = "GRPC_CONTROLLER_METADATA";
export declare const GRPC_METHOD_METADATA = "GRPC_METHOD_METADATA";
export declare const GRPC_SERVICE_METADATA = "GRPC_SERVICE_METADATA";
export declare const GRPC_CLIENT_TOKEN_PREFIX = "GRPC_CLIENT_";
export declare const DEFAULT_MAX_MESSAGE_SIZE: number;
export declare const DEFAULT_TIMEOUT = 30000;
export declare const DEFAULT_RETRY_ATTEMPTS = 3;
export declare const DEFAULT_RETRY_DELAY = 1000;
export declare const VALIDATION_LIMITS: {
    readonly MAX_MESSAGE_SIZE: number;
    readonly MIN_MESSAGE_SIZE: 1024;
    readonly MAX_TIMEOUT: number;
    readonly MIN_TIMEOUT: 1000;
    readonly MAX_RETRIES: 10;
    readonly MIN_RETRIES: 0;
    readonly MAX_RETRY_DELAY: 10000;
    readonly MIN_RETRY_DELAY: 100;
};
export declare enum GrpcErrorCode {
    OK = 0,
    CANCELLED = 1,
    UNKNOWN = 2,
    INVALID_ARGUMENT = 3,
    DEADLINE_EXCEEDED = 4,
    NOT_FOUND = 5,
    ALREADY_EXISTS = 6,
    PERMISSION_DENIED = 7,
    RESOURCE_EXHAUSTED = 8,
    FAILED_PRECONDITION = 9,
    ABORTED = 10,
    OUT_OF_RANGE = 11,
    UNIMPLEMENTED = 12,
    INTERNAL = 13,
    UNAVAILABLE = 14,
    DATA_LOSS = 15,
    UNAUTHENTICATED = 16
}
export declare const RETRYABLE_STATUS_CODES: GrpcErrorCode[];
export declare const TYPE_MAPPING: Record<string, string>;
export declare const DEFAULT_CLIENT_CACHE_TTL: number;
export declare const DEFAULT_CLIENT_CLEANUP_INTERVAL: number;
export declare const DEFAULT_CLIENT_KEEPALIVE_TIME_MS: number;
export declare const DEFAULT_CLIENT_KEEPALIVE_TIMEOUT_MS: number;
export declare const PROTO_SERVICE_LOAD_TIMEOUT = 30000;
export declare const PROVIDER_READY_MAX_ATTEMPTS = 10;
export declare const PROVIDER_READY_CHECK_DELAY = 100;
export declare const DEFAULT_MAX_ERROR_MESSAGE_LENGTH = 1000;
export declare const DEFAULT_FALLBACK_ERROR_MESSAGE = "Internal server error occurred";
export declare const DEFAULT_GRPC_CHANNEL_OPTIONS: {
    readonly 'grpc.keepalive_time_ms': 60000;
    readonly 'grpc.keepalive_timeout_ms': 20000;
    readonly 'grpc.http2.min_time_between_pings_ms': 60000;
    readonly 'grpc.http2.max_pings_without_data': 0;
    readonly 'grpc.keepalive_permit_without_calls': 1;
};