/**
 * RDP / T.128 protocol constants.
 */
export declare const RDP_DEFAULT_PORT = 3389;
export declare const RDP_DEFAULT_WIDTH = 1024;
export declare const RDP_DEFAULT_HEIGHT = 768;
export declare const RDP_DEFAULT_COLOR_DEPTH = 24;
export declare const X224_TPDU_CONNECTION_REQUEST = 224;
export declare const X224_TPDU_CONNECTION_CONFIRM = 208;
export declare const X224_TPDU_DATA = 240;
export declare const MCS_CONNECT_INITIAL = 32613;
export declare const MCS_CONNECT_RESPONSE = 32614;
export declare const MCS_ERECT_DOMAIN_REQUEST = 4;
export declare const MCS_ATTACH_USER_REQUEST = 40;
export declare const MCS_ATTACH_USER_CONFIRM = 46;
export declare const MCS_CHANNEL_JOIN_REQUEST = 56;
export declare const MCS_CHANNEL_JOIN_CONFIRM = 62;
export declare const MCS_SEND_DATA_REQUEST = 100;
export declare const MCS_SEND_DATA_INDICATION = 104;
export declare const MCS_CHANNEL_GLOBAL = 1003;
export declare const MCS_CHANNEL_USER = 1007;
export declare const MCS_CHANNEL_CLIPRDR = 1004;
export declare const MCS_CHANNEL_RDPSND = 1005;
export declare const PDUTYPE_DEMANDACTIVEPDU = 17;
export declare const PDUTYPE_CONFIRMACTIVEPDU = 19;
export declare const PDUTYPE_DATAPDU = 23;
export declare const PDUTYPE_DEACTIVATEALLPDU = 22;
export declare const PDUTYPE_SERVER_REDIR_PKT = 26;
export declare const PDUTYPE2_UPDATE = 2;
export declare const PDUTYPE2_CONTROL = 20;
export declare const PDUTYPE2_POINTER = 27;
export declare const PDUTYPE2_INPUT = 28;
export declare const PDUTYPE2_SYNCHRONIZE = 31;
export declare const PDUTYPE2_REFRESH_RECT = 33;
export declare const PDUTYPE2_SUPPRESS_OUTPUT = 35;
export declare const PDUTYPE2_FONTLIST = 39;
export declare const PDUTYPE2_FONTMAP = 40;
export declare const PDUTYPE2_SET_KEYBOARD_INDICATORS = 46;
export declare const PDUTYPE2_BITMAPCACHEERROR = 51;
export declare const PDUTYPE2_SET_KEYBOARD_IME = 57;
export declare const PDUTYPE2_SHUTDOWN_REQUEST = 36;
export declare const PDUTYPE2_SHUTDOWN_DENIED = 37;
export declare const UPDATE_ORDERS = 0;
export declare const UPDATE_BITMAP = 1;
export declare const UPDATE_PALETTE = 2;
export declare const UPDATE_POINTER = 3;
export declare const SEC_EXCHANGE_PKT = 1;
export declare const SEC_ENCRYPT = 8;
export declare const SEC_LOGON_INFO = 64;
export declare const SEC_LICENSE_PKT = 128;
export declare const SEC_REDIRECTION_PKT = 1024;
export declare const ENCRYPTION_METHOD_NONE = 0;
export declare const ENCRYPTION_METHOD_40BIT = 1;
export declare const ENCRYPTION_METHOD_128BIT = 2;
export declare const ENCRYPTION_METHOD_56BIT = 8;
export declare const ENCRYPTION_METHOD_FIPS = 16;
export declare const ENCRYPTION_LEVEL_NONE = 0;
export declare const ENCRYPTION_LEVEL_LOW = 1;
export declare const ENCRYPTION_LEVEL_CLIENT_COMPATIBLE = 2;
export declare const ENCRYPTION_LEVEL_HIGH = 3;
export declare const ENCRYPTION_LEVEL_FIPS = 4;
export declare const PROTOCOL_RDP = 0;
export declare const PROTOCOL_SSL = 1;
export declare const PROTOCOL_HYBRID = 2;
export declare const PROTOCOL_RDSTLS = 4;
export declare const PROTOCOL_HYBRID_EX = 8;
export declare const INPUT_EVENT_SYNC = 0;
export declare const INPUT_EVENT_SCANCODE = 4;
export declare const INPUT_EVENT_UNICODE = 5;
export declare const INPUT_EVENT_MOUSE = 32769;
export declare const INPUT_EVENT_MOUSEX = 32770;
export declare const PTRFLAGS_DOWN = 32768;
export declare const PTRFLAGS_BUTTON1 = 4096;
export declare const PTRFLAGS_BUTTON2 = 8192;
export declare const PTRFLAGS_BUTTON3 = 16384;
export declare const PTRFLAGS_MOVE = 2048;
export declare const PTRFLAGS_WHEEL = 512;
export declare const PTRFLAGS_WHEEL_NEG = 256;
export declare const KBDFLAGS_EXTENDED = 256;
export declare const KBDFLAGS_DOWN = 0;
export declare const KBDFLAGS_RELEASE = 32768;
export declare const BITMAP_COMPRESSION = 1;
export declare const NO_BITMAP_COMPRESSION_HDR = 1024;
export declare const RDP_SCANCODE: Record<number, number>;
/** Keys that require the EXTENDED flag in the RDP scancode event. */
export declare const RDP_EXTENDED_KEYS: Set<number>;