/**
 * Base element — subset aligned with Python `elements/elements.py` · `Element`.
 */
import type { BBox, Linestyle } from "./types.js";
import { Point, type XY } from "./geometry/point.js";
import { Transform } from "./geometry/transform.js";
import { type ElementLabelSpec } from "./element-label.js";
import type { LabelHint } from "./label-hint.js";
import type { SegmentLike } from "./segment.js";
/** Cardinal and default anchor names considered by Python `Element.__getattr__`. */
export declare const ELEMENT_GETATTR_ANCHOR_NAMES: readonly string[];
export declare class Element {
    readonly userParams: Record<string, unknown>;
    readonly elmParams: Record<string, unknown>;
    dwgParams: Record<string, unknown>;
    defaults: Record<string, unknown>;
    segments: SegmentLike[];
    anchors: Record<string, XY>;
    absanchors: Record<string, Point>;
    transform: Transform;
    absdrop: {
        point: Point;
        theta: number;
    };
    _positioned: boolean;
    _localshift: Point;
    bbox: BBox;
    /** User labels from {@link label} (Python `_userlabels`). */
    protected userLabels: ElementLabelSpec[];
    /** Default label placement when `loc` matches an anchor (Python `_labelhints`). */
    protected _labelhints: Record<string, LabelHint>;
    /** Geometry segment count before {@link placeElementLabels} runs (re-_place idempotence). */
    private _segmentCountBeforeLabels;
    constructor(userParams?: Record<string, unknown>);
    get params(): Record<string, unknown>;
    /** Absolute anchor after placement (Python `element[name]` / `absanchors`). */
    getAbsAnchor(name: string): Point | undefined;
    /**
     * Names that trigger Python `Element.__getattr__` / `drawing_stack.push_element(self)`
     * when `absanchors[name]` is not yet set (base: {@link ELEMENT_GETATTR_ANCHOR_NAMES} + `anchors` keys).
     */
    getAnchorNamesForGetattr(): string[];
    /**
     * Python `Element.__getattr__` side effect: access to a known anchor name before placement
     * calls `push_element(self)` (may implicitly `drawing.add(this)`).
     */
    touchAnchorAccess(name: string): void;
    /**
     * Python `element[name]` after implicit placement: {@link touchAnchorAccess} then {@link getAbsAnchor}.
     */
    resolveAnchor(name: string): Point | undefined;
    protected _position(): void;
    /** Python `Element._flipreverse` — mutate segments and anchors when flip/reverse set. */
    protected _flipreverse(): void;
    up(): this;
    down(): this;
    left(): this;
    right(): this;
    theta(angle: number): this;
    drop(drop: string | XY): this;
    at(xy: XY | readonly [Element, string], dx?: number, dy?: number): this;
    scale(scale?: number): this;
    scalex(scale?: number): this;
    scaley(scale?: number): this;
    flip(): this;
    reverse(): this;
    anchor(name: string): this;
    color(color: string): this;
    linestyle(ls: Linestyle | string): this;
    linewidth(lw: number): this;
    fill(color?: boolean | string): this;
    zorder(z: number): this;
    hold(): this;
    /** Python `Element.style` — apply several style keys at once. */
    style(opts: {
        color?: string;
        fill?: string | boolean;
        ls?: Linestyle | string;
        lw?: number;
    }): this;
    fontsize(n: number): this;
    font(f: string): this;
    mathfont(f: string): this;
    /**
     * Python `gradient_fill` — SVG linear gradient (see `Drawing.toSvgString` + `SegmentPoly`/`SegmentCircle` fill).
     */
    gradientFill(color1: string, color2: string, vertical?: boolean): this;
    /**
     * Add a text label (Python `Element.label` subset; see `element-label.ts`).
     * Merged with `label` / `toplabel` / … from params during `_place`.
     */
    label(text: string | readonly string[], opts?: {
        loc?: string | null;
        ofst?: number | XY;
        halign?: "left" | "center" | "right";
        valign?: "top" | "center" | "bottom" | "base";
        rotate?: boolean | number;
        fontsize?: number;
        font?: string;
        mathfont?: string;
        color?: string;
        href?: string | null;
        decoration?: string | null;
    }): this;
    /** Python `_labelhints[loc]` — merged in `placeElementLabels` when `ignore_hints` is not set. */
    getLabelHint(loc: string): LabelHint | undefined;
    _place(dwgxy: XY, dwgtheta: number, dwgparams: Record<string, unknown>): {
        point: Point;
        theta: number;
    };
    getBBox(transform: boolean, includetext?: boolean): BBox;
    _draw(fig: import("./svg/figure.js").SvgFigure): void;
}