import { Entity } from './Entity.js';
import { CadObject } from '../CadObject.js';
import { CadDocument } from '../CadDocument.js';
import { UnderlayDisplayFlags } from './UnderlayDisplayFlags.js';
import { BoundingBox } from '../Math/BoundingBox.js';
import { XYZ } from '../Math/XYZ.js';
import { XY } from '../Math/XY.js';
import type { UnderlayDefinition } from '../Objects/UnderlayDefinition.js';
export declare abstract class UnderlayEntity extends Entity {
    clipBoundaryVertices: XY[];
    get contrast(): number;
    set contrast(value: number);
    definition: UnderlayDefinition | null;
    get fade(): number;
    set fade(value: number);
    flags: UnderlayDisplayFlags;
    insertPoint: XYZ;
    normal: XYZ;
    rotation: number;
    get subclassMarker(): string;
    get xScale(): number;
    set xScale(value: number);
    get yScale(): number;
    set yScale(value: number);
    get zScale(): number;
    set zScale(value: number);
    private _contrast;
    private _fade;
    private _xscale;
    private _yscale;
    private _zscale;
    constructor(definition?: UnderlayDefinition);
    applyTransform(transform: unknown): void;
    clone(): CadObject;
    getBoundingBox(): BoundingBox | null;
    /** @internal */
    assignDocument(doc: CadDocument): void;
    /** @internal */
    unassignDocument(): void;
}
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