import { Node } from 'prosemirror-model';
import { Command, EditorState, Plugin } from 'prosemirror-state';
import { RteFeatureImpl, SchemaContribution } from '../feature';
import { RteInstanceImpl } from '../instance';
type SizeOption = 'small' | 'fit' | 'original';
type ContentDestroyedHandler = () => unknown;
export type ResolvedUrl = string | null | {
    type: 'placeholder';
    create?: (slotName: string) => ContentDestroyedHandler | undefined;
};
type ResolvedUrlGenerator = AsyncGenerator<ResolvedUrl, ResolvedUrl>;
export interface RteInlineImageConfig {
    resolveUrl?: (imageUrl: string) => ResolvedUrl | ResolvedUrlGenerator;
    serializeUrlToHtml?: (imageUrl: string) => string | null;
    parseUrlFromHtml?: (src: string) => string | null;
}
export declare class RteInlineImageFeatureImpl extends RteFeatureImpl {
    protected readonly config: RteInlineImageConfig;
    name: string;
    constructor(config?: RteInlineImageConfig);
    getStyles(): {
        priority: number;
        featureName: string;
        value: string;
    }[];
    getSchema(): SchemaContribution[];
    getPlugins(rte: RteInstanceImpl): {
        priority: number;
        featureName: string;
        value: Plugin<any>;
    }[];
    calculateSmallWidth(naturalWidth: number): string;
    getSelectedInlineImage(state: EditorState): {
        pos: number;
        node: Node;
    } | null;
    setSelectedImageSize(size: SizeOption): Command;
    getSelectedImageSize(state: EditorState): SizeOption | null;
}
export declare const RteInlineImageFeature: {
    new (config?: RteInlineImageConfig | undefined): {};
};
export {};