import type { KeyValue } from '../../common';
import type { Point, Rectangle } from '../../geometry';
import type { CellAttrs } from '../attr';
import { Registry } from '../registry';
import * as layouts from './main';
import type { PointLike } from '../../types';
export interface PortLabelLayoutResult {
    position: PointLike;
    angle: number;
    attrs: CellAttrs;
}
export type PortLabelLayoutDefinition<T> = (portPosition: Point, elemBBox: Rectangle, args: T) => PortLabelLayoutResult;
type CommonDefinition = PortLabelLayoutDefinition<KeyValue>;
export interface PortLabelLayoutCommonOptions {
    x?: number;
    y?: number;
    angle?: number;
    attrs?: CellAttrs;
}
export type Presets = typeof portLabelLayoutPresets;
export type OptionsMap = {
    readonly [K in keyof Presets]-?: Parameters<Presets[K]>[2];
};
export type PortLabelLayoutNativeNames = keyof Presets;
export interface PortLabelLayoutNativeItem<T extends PortLabelLayoutNativeNames = PortLabelLayoutNativeNames> {
    name: T;
    args?: OptionsMap[T];
}
export interface PortLabelLayoutManualItem {
    name: Exclude<string, PortLabelLayoutNativeNames>;
    args?: KeyValue;
}
export declare const portLabelLayoutPresets: typeof layouts;
export declare const portLabelLayoutRegistry: Registry<CommonDefinition, typeof layouts, never>;
export {};