import { TextEntity } from './TextEntity.js';
import type { MText } from './MText.js';
import { AttributeType } from './AttributeType.js';
import { AttributeFlags } from './AttributeFlags.js';
import { TextVerticalAlignmentType } from './TextVerticalAlignmentType.js';
export declare abstract class AttributeBase extends TextEntity {
    attributeType: AttributeType;
    flags: AttributeFlags;
    isReallyLocked: boolean;
    mText: MText | null;
    get tag(): string;
    set tag(value: string);
    version: number;
    verticalAlignment: TextVerticalAlignmentType;
    private _tag;
    constructor();
    protected matchAttributeProperties(src: AttributeBase): void;
}
export { AttributeType } from './AttributeType.js';
export { AttributeFlags } from './AttributeFlags.js';
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