import { type Component } from "../component.js";
import type { SExpr } from '../sexpr/types.js';
import type { IPcbOptions, IGrLine, IGrCircle, IGrRect, IGrPoly, IOutline, IGrTextOptions, IFilledZone, IKeepoutZone, IAutorouteResult } from './pcb_interfaces.js';
export declare class PcbInternalState {
    offsetStack: {
        x: number;
        y: number;
    }[];
    currentOffset: {
        x: number;
        y: number;
    };
    pcb: string;
    components: Component[];
    stagedComponents: Component[];
    groups: string[];
    outlines: IOutline[];
    stagedOutlines: IOutline[];
    readonly options: IPcbOptions;
    existingBoardElements: SExpr[];
    grTexts: IGrTextOptions[];
    zones: IFilledZone[];
    keepoutZones: IKeepoutZone[];
    grLines: IGrLine[];
    grCircles: IGrCircle[];
    grRects: IGrRect[];
    grPolys: IGrPoly[];
    pendingAutoroutes: Set<Promise<IAutorouteResult>>;
    constructor(options: IPcbOptions);
    pushOffset(x: number, y: number): void;
    popOffset(): void;
    getOffset(): {
        x: number;
        y: number;
    };
    /**
     * Computes the bounding box of all board outlines (line and arc elements)
     * across both `outlines` and `stagedOutlines`. Used by {@link board}
     * to determine the board's physical extent.
     *
     * @returns `{ minX, minY, maxX, maxY }` in mm, or `null` if no outlines exist.
     */
    getOutlineBounds(): {
        minX: number;
        minY: number;
        maxX: number;
        maxY: number;
    } | null;
}
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