/**
 * Control codes and feature constants for PC/SC smart card operations
 */
/**
 * Generate a control code (platform-specific)
 */
export declare function SCARD_CTL_CODE(code: number): number;
export declare const CM_IOCTL_GET_FEATURE_REQUEST: number;
export declare const FEATURE_VERIFY_PIN_START = 1;
export declare const FEATURE_VERIFY_PIN_FINISH = 2;
export declare const FEATURE_MODIFY_PIN_START = 3;
export declare const FEATURE_MODIFY_PIN_FINISH = 4;
export declare const FEATURE_GET_KEY_PRESSED = 5;
export declare const FEATURE_VERIFY_PIN_DIRECT = 6;
export declare const FEATURE_MODIFY_PIN_DIRECT = 7;
export declare const FEATURE_MCT_READER_DIRECT = 8;
export declare const FEATURE_MCT_UNIVERSAL = 9;
export declare const FEATURE_IFD_PIN_PROPERTIES = 10;
export declare const FEATURE_ABORT = 11;
export declare const FEATURE_SET_SPE_MESSAGE = 12;
export declare const FEATURE_VERIFY_PIN_DIRECT_APP_ID = 13;
export declare const FEATURE_MODIFY_PIN_DIRECT_APP_ID = 14;
export declare const FEATURE_WRITE_DISPLAY = 15;
export declare const FEATURE_GET_KEY = 16;
export declare const FEATURE_IFD_DISPLAY_PROPERTIES = 17;
export declare const FEATURE_GET_TLV_PROPERTIES = 18;
export declare const FEATURE_CCID_ESC_COMMAND = 19;
/**
 * Parse feature TLV response from CM_IOCTL_GET_FEATURE_REQUEST
 */
export declare function parseFeatures(response: Buffer): Map<number, number>;
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