import { type JSONObject } from '../../common';
import type { PointLike, Rectangle } from '../../geometry';
import type { Cell } from '../../model';
import type { CellView } from '../../view';
import { Registry } from '../registry';
export type SimpleAttrValue = null | undefined | string | number;
export type SimpleAttrs = {
    [name: string]: SimpleAttrValue;
};
export type ComplexAttrValue = null | undefined | boolean | string | number | JSONObject;
export type ComplexAttrs = {
    [name: string]: ComplexAttrValue;
};
export type CellAttrs = {
    [selector: string]: ComplexAttrs;
};
interface QualifyOptions {
    elem: Element;
    attrs: ComplexAttrs;
    cell: Cell;
    view: CellView;
}
export type QualifyFunction = (this: CellView, val: ComplexAttrValue, options: QualifyOptions) => boolean;
export interface AttrOptions extends QualifyOptions {
    refBBox: Rectangle;
}
export type AttrSetFunction = (this: CellView, val: ComplexAttrValue, options: AttrOptions) => SimpleAttrValue | SimpleAttrs | void;
export type AttrOffsetFunction = (this: CellView, val: ComplexAttrValue, options: AttrOptions) => PointLike;
export type AttrPositionFunction = (this: CellView, val: ComplexAttrValue, options: AttrOptions) => PointLike | undefined | null;
interface Qualify {
    qualify?: QualifyFunction;
}
export interface SetDefinition extends Qualify {
    set: AttrSetFunction;
}
export interface OffsetDefinition extends Qualify {
    offset: AttrOffsetFunction;
}
export interface AttrPositionDefinition extends Qualify {
    /**
     * Returns a point from the reference bounding box.
     */
    position: AttrPositionFunction;
}
export type AttrDefinition = string | Qualify | SetDefinition | OffsetDefinition | AttrPositionDefinition;
export type AttrDefinitions = {
    [attrName: string]: AttrDefinition;
};
export declare function isValidDefinition(this: CellView, def: AttrDefinition | undefined | null, val: ComplexAttrValue, options: QualifyOptions): def is AttrDefinition;
type Presets = typeof attrPresets;
export type AttrNativeNames = keyof Presets;
export declare const attrPresets: AttrDefinitions;
export declare const attrRegistry: Registry<AttrDefinition, AttrDefinitions, never>;
export {};