import { Mark as PMMark, MarkSpec, NodeSpec, Schema } from '../prosemirror';
export interface Doc {
    version: 1;
    type: 'doc';
    content: Node[];
}
export interface Node {
    type: string;
    attrs?: any;
    content?: Node[];
    marks?: Mark[];
    text?: string;
}
export interface Mark {
    type: string;
    attrs?: any;
}
export interface MarkSimple {
    type: {
        name: string;
    };
    attrs?: any;
}
export declare const markOrder: string[];
export declare const isSubSupType: (type: string) => type is "sub" | "sup";
export declare const getMarksByOrder: (marks: PMMark[]) => PMMark[];
export declare const isSameMark: (mark: PMMark | null, otherMark: PMMark | null) => boolean;
export declare const getValidDocument: (doc: Doc, schema?: Schema<NodeSpec, MarkSpec>) => Doc | null;
export declare const getValidContent: (content: Node[], schema?: Schema<NodeSpec, MarkSpec>) => Node[];
/**
 * Sanitize unknown node tree
 *
 * @see https://product-fabric.atlassian.net/wiki/spaces/E/pages/11174043/Document+structure#Documentstructure-ImplementationdetailsforHCNGwebrenderer
 */
export declare const getValidUnknownNode: (node: Node) => Node;
export declare const getValidNode: (originalNode: Node, schema?: Schema<NodeSpec, MarkSpec>) => Node;
export declare const getValidMark: (mark: Mark) => Mark | null;