/**
 * Default line type used when no specific line type is specified.
 *
 * This constant represents the "Continuous" line type, which is the
 * standard solid line type used in AutoCAD drawings.
 */
export declare const DEFAULT_LINE_TYPE = "Continuous";
/**
 * Default text style name used when no specific text style is specified.
 *
 * This constant represents the standard text style used in AutoCAD drawings.
 */
export declare const DEFAULT_TEXT_STYLE = "Standard";
/**
 * Default multiline style name used when no specific MLINE style is specified.
 *
 * This constant represents the default current style used by the CMLSTYLE
 * system variable for newly created MLINE entities.
 */
export declare const DEFAULT_MLINE_STYLE = "Standard";
/**
 * Default multileader style name used when no specific MLEADER style is specified.
 *
 * This constant represents the default current style used by the CMLEADERSTYLE
 * system variable for newly created MLEADER entities.
 */
export declare const DEFAULT_MLEADER_STYLE = "Standard";
/**
 * Default hatch pattern name used by AutoCAD for imperial drawings.
 */
export declare const DEFAULT_HATCH_PATTERN_IMPERIAL = "ANSI31";
/**
 * Default hatch pattern name used by AutoCAD for metric drawings.
 */
export declare const DEFAULT_HATCH_PATTERN_METRIC = "ANGLE";
/**
 * Reserved hatch pattern name used for solid fills.
 */
export declare const HATCH_PATTERN_SOLID = "SOLID";
/**
 * Default hatch pattern name used for user-defined hatch patterns in DXF output.
 */
export declare const HATCH_PATTERN_USER = "USER";
/**
 * Default gradient hatch name used when a gradient hatch has no explicit name.
 */
export declare const DEFAULT_GRADIENT_HATCH_NAME = "LINEAR";
/**
 * Special line type value that indicates the entity should use
 * the line type of its layer.
 *
 * When an entity has this line type, it will inherit the line type
 * from the layer it belongs to.
 */
export declare const ByLayer = "ByLayer";
/**
 * Special line type value that indicates the entity should use
 * the line type of its block.
 *
 * When an entity has this line type, it will inherit the line type
 * from the block it belongs to.
 */
export declare const ByBlock = "ByBlock";
/**
 * Application ID for MLightCAD used in dictionaries and XData registration.
 */
export declare const MLIGHTCAD_APPID = "mlightcad";
/**
 * Built-in AutoCAD application ID used for standard XData registration.
 */
export declare const ACAD_APPID = "ACAD";
/**
 * Frozen 2D/3D placeholders when a VPORT table row omits geometry (partial DXF
 * groups, incomplete DWG decode). Used before `AcGePoint2d.copy` / `AcGePoint3d.copy`.
 */
export declare const VPORT_FALLBACK_CENTER_2D: Readonly<{
    x: 0;
    y: 0;
}>;
export declare const VPORT_FALLBACK_LLC: Readonly<{
    x: 0;
    y: 0;
}>;
export declare const VPORT_FALLBACK_URC: Readonly<{
    x: 1;
    y: 1;
}>;
export declare const VPORT_FALLBACK_VIEW_DIR: Readonly<{
    x: 0;
    y: 0;
    z: 1;
}>;
export declare const VPORT_FALLBACK_VIEW_TARGET: Readonly<{
    x: 0;
    y: 0;
    z: 0;
}>;
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