export declare const FFI_UINT8 = "uint8";
export declare const FFI_UINT64 = "uint64";
export declare const FFI_USIZE = "size_t";
export declare const FFI_INT8 = "int8";
export declare const FFI_INT32 = "int32";
export declare const FFI_INT64 = "int64";
export declare const FFI_STRING = "string";
export declare const FFI_VOID = "void";
export declare const FFI_POINTER = "pointer";
export declare const FFI_INT8_PTR: import("ref-napi").Type<import("ref-napi").Pointer<number>>;
export declare const FFI_STRING_PTR: import("ref-napi").Type<import("ref-napi").Pointer<string | null>>;
export declare const FFI_INT32_PTR: import("ref-napi").Type<import("ref-napi").Pointer<number>>;
export declare const FFI_CALLBACK_ID = "int64";
export declare const FFI_CALLBACK_PTR = "pointer";
export declare const FFI_ERROR_CODE = "int64";
export declare const FFI_HANDLE = "int64";
export declare const FFI_HANDLE_POINTER = "int64*";
export declare const FFI_REQUEST_HANDLE = "int64";
export declare const FFI_REQUEST_HANDLE_POINTER = "int64*";
export declare const FFI_POOL_HANDLE = "int64";