import { SliceBehavior, type SliceTypeCon } from '../slice/constants';
import type { PeritextMlElement } from '../block/types';
import type { NodeBuilder } from '../../../json-crdt-patch';
import type { JsonMlElement } from 'very-small-parser/lib/html/json-ml/types';
import type { FromHtmlConverter, ToHtmlConverter } from './types';
import type { JsonNodeView } from '../../../json-crdt/nodes';
import type { SchemaToJsonNode } from '../../../json-crdt/schema/types';
export type TagType = SliceTypeCon | number | string;
export declare class SliceRegistryEntry<Behavior extends SliceBehavior = SliceBehavior, Tag extends TagType = TagType, Schema extends NodeBuilder = NodeBuilder> {
    /**
     * Specifies whether the slice is an inline or block element. And if it is
     * an inline element, whether multiple instances of the same tag are allowed
     * to be applied to a range of tex - "Many", or only one instance - "One".
     */
    readonly behavior: Behavior;
    /**
     * The tag name of this slice. The tag is one step in the type path of the
     * slice. For example, below is a type path composed of three steps:
     *
     * ```js
     * ['ul', 'li', 'p']
     * ```
     *
     * Tag types are normally numbers of type {@link SliceTypeCon}, however,
     * they can also be any arbitrary strings or numbers.
     */
    readonly tag: Tag;
    /**
     * Default expected schema of the slice data.
     */
    readonly schema: Schema;
    /**
     * This property is relevant only for block split markers. It specifies
     * whether the block split marker is a container for other block elements.
     *
     * For example, a `blockquote` is a container for `paragraph` elements,
     * however, a `paragraph` is not a container (it can only contain inline
     * elements).
     *
     * If the marker slice is of the container sort, they tag can appear in the
     * path steps of the type:
     *
     * ```
     *
     * ```
     */
    readonly container: boolean;
    /**
     * Converts a node of this type to HTML representation: returns the HTML tag
     * and attributes. The method receives {@link PeritextMlElement} as an
     * argument, which is a tuple of internal HTML-like representation of the
     * node.
     */
    readonly toHtml: ToHtmlConverter<PeritextMlElement<Tag, JsonNodeView<SchemaToJsonNode<Schema>>, Behavior extends SliceBehavior.Marker ? false : true>> | undefined;
    /**
     * Specifies a mapping of converters from HTML {@link JsonMlElement} to
     * {@link PeritextMlElement}. This way a slice type can specify multiple
     * HTML tags that are converted to the same slice type.
     *
     * For example, both, `<b>` and `<strong>` tags can be converted to the
     * {@link SliceTypeCon.b} slice type.
     */
    readonly fromHtml?: {
        [htmlTag: string]: FromHtmlConverter<PeritextMlElement<Tag, JsonNodeView<SchemaToJsonNode<Schema>>, Behavior extends SliceBehavior.Marker ? false : true>>;
    } | undefined;
    isInline(): boolean;
    constructor(
    /**
     * Specifies whether the slice is an inline or block element. And if it is
     * an inline element, whether multiple instances of the same tag are allowed
     * to be applied to a range of tex - "Many", or only one instance - "One".
     */
    behavior: Behavior, 
    /**
     * The tag name of this slice. The tag is one step in the type path of the
     * slice. For example, below is a type path composed of three steps:
     *
     * ```js
     * ['ul', 'li', 'p']
     * ```
     *
     * Tag types are normally numbers of type {@link SliceTypeCon}, however,
     * they can also be any arbitrary strings or numbers.
     */
    tag: Tag, 
    /**
     * Default expected schema of the slice data.
     */
    schema: Schema, 
    /**
     * This property is relevant only for block split markers. It specifies
     * whether the block split marker is a container for other block elements.
     *
     * For example, a `blockquote` is a container for `paragraph` elements,
     * however, a `paragraph` is not a container (it can only contain inline
     * elements).
     *
     * If the marker slice is of the container sort, they tag can appear in the
     * path steps of the type:
     *
     * ```
     *
     * ```
     */
    container?: boolean, 
    /**
     * Converts a node of this type to HTML representation: returns the HTML tag
     * and attributes. The method receives {@link PeritextMlElement} as an
     * argument, which is a tuple of internal HTML-like representation of the
     * node.
     */
    toHtml?: ToHtmlConverter<PeritextMlElement<Tag, JsonNodeView<SchemaToJsonNode<Schema>>, Behavior extends SliceBehavior.Marker ? false : true>> | undefined, 
    /**
     * Specifies a mapping of converters from HTML {@link JsonMlElement} to
     * {@link PeritextMlElement}. This way a slice type can specify multiple
     * HTML tags that are converted to the same slice type.
     *
     * For example, both, `<b>` and `<strong>` tags can be converted to the
     * {@link SliceTypeCon.b} slice type.
     */
    fromHtml?: {
        [htmlTag: string]: FromHtmlConverter<PeritextMlElement<Tag, JsonNodeView<SchemaToJsonNode<Schema>>, Behavior extends SliceBehavior.Marker ? false : true>>;
    } | undefined);
}
/**
 * Slice registry contains a record of possible inline an block formatting
 * annotations. Each entry in the registry is a {@link SliceRegistryEntry} that
 * specifies the behavior, tag, and other properties of the slice.
 *
 * @todo Consider moving the registry under the `/transfer` directory. Or maybe
 * `/slices` directory.
 */
export declare class SliceRegistry {
    private map;
    private _fromHtml;
    add(entry: SliceRegistryEntry<any, any, any>): void;
    isContainer(tag: TagType): boolean;
    toHtml(el: PeritextMlElement): ReturnType<ToHtmlConverter<any>> | undefined;
    fromHtml(el: JsonMlElement): PeritextMlElement | undefined;
}