import { Component } from "../../../lib/Component";
import { DragContext, DragDiff } from "../../../services/drag";
import { TGraphSettingsConfig } from "../../../store";
import { BlockState, TBlockId } from "../../../store/block/Block";
import { PortState } from "../../../store/connection/port/Port";
import { TMeasureTextOptions } from "../../../utils/functions/text";
import { TTExtRect } from "../../../utils/renderers/text";
import { TPoint, TRect } from "../../../utils/types/shapes";
import { GraphComponent, TGraphComponentProps } from "../GraphComponent";
import { TAnchor } from "../anchors";
import { TGraphLayerContext } from "../layers/graphLayer/GraphLayer";
export type TBlockSettings = {
    /** Phantom blocks are blocks whose dimensions and position
     * are not taken into account when calculating the usable rect.
     *
     * @deprecated phantom blocks are not used anymore. Please create an issue if you need this feature.
     */
    phantom?: boolean;
};
export declare function isTBlock(block: unknown): block is TBlock;
export type TBlock<T extends Record<string, unknown> = {}> = {
    id: TBlockId;
    is: string;
    x: number;
    y: number;
    group?: string;
    width: number;
    height: number;
    selected?: boolean;
    name: string;
    anchors?: TAnchor[];
    settings?: TBlockSettings;
    meta?: T;
};
export type TBlockProps = TGraphComponentProps & {
    id: TBlockId;
    font?: string;
};
declare module "../../../graphEvents" {
    interface GraphEventsDefinitions {
        "block-drag-start": (event: CustomEvent<{
            nativeEvent: MouseEvent;
            block: TBlock;
        }>) => void;
        "block-drag": (event: CustomEvent<{
            nativeEvent: MouseEvent;
            block: TBlock;
            x: number;
            y: number;
        }>) => void;
        "block-drag-end": (event: CustomEvent<{
            nativeEvent: MouseEvent;
            block: TBlock;
        }>) => void;
    }
}
export type BlockViewState = {
    zIndex: number;
    order: number;
};
export declare class Block<T extends TBlock = TBlock, Props extends TBlockProps = TBlockProps> extends GraphComponent<Props, T, TGraphLayerContext> {
    static IS: "Block";
    cursor?: string;
    readonly isBlock = true;
    context: TGraphLayerContext;
    state: T;
    props: Props;
    connectedState: BlockState<T>;
    private connectedStateUnsubscribers;
    protected lastDragEvent?: MouseEvent;
    protected startDragCoords: number[];
    protected shouldRenderText: boolean;
    protected shouldRenderHtml: boolean;
    protected raised: boolean;
    /**
     * True when the block is fully hidden by CollapsibleGroup (hitbox removed).
     * This is separate from `this.hidden` which is set by setRenderDelegated
     * (React overlay mode, hitbox kept). Both flags make isVisible() return false,
     * but only blockHidden removes the hitbox.
     */
    private blockHidden;
    protected currentState(): T;
    $viewState: import("@preact/signals-core").Signal<BlockViewState>;
    constructor(props: Props, parent: Component);
    getEntityId(): TBlockId;
    isRendered(): boolean;
    protected updateViewState(params: Partial<BlockViewState>): void;
    getGeometry(): TRect;
    protected getHitBoxRect(): TRect;
    protected isVisible(): boolean;
    getConfigFlag<K extends keyof TGraphSettingsConfig>(flagPath: K): number | boolean | typeof Component | import("../../../services/camera/defaultGetCameraBlockScaleLevel").TGetCameraBlockScaleLevel | "vertical" | "horizontal" | import("../../..").TResolveWheelIntent | {
        new (props: import("../connections").TConnectionProps, parent: import("../connections/BlockConnections").BlockConnections): import("../connections").BlockConnection<{
            id?: import("../../..").TConnectionId;
            sourceBlockId?: TBlockId;
            targetBlockId?: TBlockId;
            sourceAnchorId?: string;
            targetAnchorId?: string;
            sourcePortId?: import("../../../store/connection/port/Port").TPortId;
            targetPortId?: import("../../../store/connection/port/Port").TPortId;
            label?: string;
            styles?: Partial<import("../../../graphConfig").TConnectionColors> & {
                dashes?: number[];
            };
            dashed?: boolean;
            selected?: boolean;
        }>;
        create<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(this: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1, options?: {
            readonly key?: string;
            readonly ref?: ((inst: unknown) => void) | string;
        }): import("../../../lib/CoreComponent").ComponentDescriptor<Props_1, Context>;
        mount<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(Component: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1): import("../../../lib").CoreComponent<Props_1, Context>;
        unmount(instance: any): void;
    } | import("../../..").ECanChangeBlockGeometry | import("../../..").ECanDrag | Record<string, {
        new (props: TBlockProps, parent: Component): Block<TBlock, TBlockProps>;
        IS: "Block";
        create<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(this: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1, options?: {
            readonly key?: string;
            readonly ref?: ((inst: unknown) => void) | string;
        }): import("../../../lib/CoreComponent").ComponentDescriptor<Props_1, Context>;
        mount<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(Component: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1): import("../../../lib").CoreComponent<Props_1, Context>;
        unmount(instance: any): void;
    }>;
    protected subscribe(id: TBlockId): void;
    protected propsChanged(nextProps: Props): void;
    protected getNextState(): T;
    protected didIterate(): void;
    protected willMount(): void;
    protected calcZIndex(): number;
    protected raiseBlock(): void;
    protected stateChanged(nextState: T): void;
    getRenderIndex(): number;
    updatePosition(x: number, y: number, silent?: boolean): void;
    protected updatePortPositions(): void;
    getInputPort(): PortState;
    getOutputPort(): PortState;
    getAnchorPort(anchorId: string): PortState;
    /**
     * Check if block can be dragged based on canDrag setting
     */
    isDraggable(): boolean;
    /**
     * Handle drag start - emit event and initialize drag state
     */
    handleDragStart(context: DragContext): void;
    /**
     * Handle click event
     */
    protected handleClick: (event: MouseEvent) => void;
    protected handleSelectionChange: (event: MouseEvent) => void;
    /**
     * Handle drag update - calculate new position and update block
     */
    handleDrag(diff: DragDiff, context: DragContext): void;
    /**
     * Handle drag end - finalize drag state
     */
    handleDragEnd(context: DragContext): void;
    protected calcNextDragPosition(x: number, y: number): [number, number];
    protected applyNextPosition(x: number, y: number): void;
    updateHitBox: (geometry: TRect, force?: boolean) => void;
    getConnectionAnchorPosition(anchor: TAnchor): {
        x: number;
        y: number;
    };
    getAnchorPosition(anchor: TAnchor): TPoint;
    getConnectionPoint(direction: "in" | "out"): TPoint;
    protected renderAnchor(anchor: TAnchor): import("../../../lib/CoreComponent").ComponentDescriptor<import("../anchors").TAnchorProps, import("../GraphComponent").GraphComponentContext>;
    protected isAnchorsAllowed(): number | boolean | "" | typeof Component | import("../../../services/camera/defaultGetCameraBlockScaleLevel").TGetCameraBlockScaleLevel | "vertical" | "horizontal" | import("../../..").TResolveWheelIntent | {
        new (props: import("../connections").TConnectionProps, parent: import("../connections/BlockConnections").BlockConnections): import("../connections").BlockConnection<{
            id?: import("../../..").TConnectionId;
            sourceBlockId?: TBlockId;
            targetBlockId?: TBlockId;
            sourceAnchorId?: string;
            targetAnchorId?: string;
            sourcePortId?: import("../../../store/connection/port/Port").TPortId;
            targetPortId?: import("../../../store/connection/port/Port").TPortId;
            label?: string;
            styles?: Partial<import("../../../graphConfig").TConnectionColors> & {
                dashes?: number[];
            };
            dashed?: boolean;
            selected?: boolean;
        }>;
        create<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(this: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1, options?: {
            readonly key?: string;
            readonly ref?: ((inst: unknown) => void) | string;
        }): import("../../../lib/CoreComponent").ComponentDescriptor<Props_1, Context>;
        mount<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(Component: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1): import("../../../lib").CoreComponent<Props_1, Context>;
        unmount(instance: any): void;
    } | import("../../..").ECanChangeBlockGeometry | import("../../..").ECanDrag | Record<string, {
        new (props: TBlockProps, parent: Component): Block<TBlock, TBlockProps>;
        IS: "Block";
        create<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(this: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1, options?: {
            readonly key?: string;
            readonly ref?: ((inst: unknown) => void) | string;
        }): import("../../../lib/CoreComponent").ComponentDescriptor<Props_1, Context>;
        mount<Props_1 extends import("../../../lib/CoreComponent").CoreComponentProps, Context extends import("../../../lib/CoreComponent").CoreComponentContext>(Component: Constructor<import("../../../lib").CoreComponent<Props_1, Context>>, props?: Props_1): import("../../../lib").CoreComponent<Props_1, Context>;
        unmount(instance: any): void;
    }>;
    protected updateChildren(): import("../../../lib/CoreComponent").ComponentDescriptor<import("../anchors").TAnchorProps, import("../GraphComponent").GraphComponentContext>[];
    protected willRender(): void;
    protected renderStroke(color: string): void;
    protected getContentRect(): TRect;
    protected renderText(text: string, ctx?: CanvasRenderingContext2D, { rect, renderParams }?: {
        rect: TTExtRect;
        renderParams: TMeasureTextOptions;
    }): void;
    renderMinimalisticBlock(ctx: CanvasRenderingContext2D): void;
    protected renderBody(ctx: CanvasRenderingContext2D): void;
    renderSchematicView(ctx: CanvasRenderingContext2D): void;
    setHiddenBlock(hidden: boolean): void;
    renderDetailedView(ctx: CanvasRenderingContext2D): void;
    protected render(): void;
    protected unmount(): void;
}