import { ContentState, EditorState, SelectionState } from 'draft-js';
export declare const colorStyle: {
    [key: string]: string;
};
export declare function getSelectionText(contentState: ContentState, selectionState: SelectionState): string;
export declare function contentStateToJson(contentState: ContentState): string;
export declare function convertDraftStateToHtml(contentState: ContentState): string;
export declare function convertHtmlToDraftState(html: string): ContentState;
export declare function getColorStyleByValue(value: string): string;
export declare function rgbToHex(value: string): string;
export declare function blockTypeIsActive(editorState: EditorState, blockType: string | string[]): boolean;
export declare function getEntityRange(editorState: EditorState): {
    startOffset: number;
    endOffset: number;
};
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