import { EditorState, Command } from 'prosemirror-state';
import { RteFeatureImpl, TextblockAttrContribution, ToolbarItemContribution } from '../feature';
type Alignment = 'left' | 'center' | 'right';
export declare class RteAlignmentFeatureImpl extends RteFeatureImpl {
    name: string;
    getTextblockAttrs(): TextblockAttrContribution[];
    getPlugins(): {
        priority: number;
        featureName: string;
        value: import('prosemirror-state').Plugin<any>;
    }[];
    getToolbarItems(): ToolbarItemContribution[];
    getAlignmentFromSelection(state: EditorState): Alignment | 'mixed' | null;
    setAlignment(align: Alignment): Command;
}
export declare const RteAlignmentFeature: {
    new (): {};
};
export {};