/**
 * @license
 * Copyright 2023 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import type { IconType } from '../icons/icon_types.js';
import type { Coordinate } from '../utils/coordinate.js';
import type { Size } from '../utils/size.js';
export interface IIcon {
    /**
     * @returns the IconType representing the type of the icon. This value should
     *     also be used to register the icon via `Blockly.icons.registry.register`.
     */
    getType(): IconType<IIcon>;
    /**
     * Creates the SVG elements for the icon that will live on the block.
     *
     * @param pointerdownListener An event listener that must be attached to the
     *     root SVG element by the implementation of `initView`. Used by Blockly's
     *     gesture system to properly handle clicks and drags.
     */
    initView(pointerdownListener: (e: PointerEvent) => void): void;
    /**
     * Disposes of any elements of the icon.
     *
     * @remarks
     *
     * In particular, if this icon is currently showing a bubble, this should be
     * used to hide it.
     */
    dispose(): void;
    /**
     * @returns the "weight" of the icon, which determines the static order which
     *     icons should be rendered in. More positive numbers are rendered farther
     *     toward the end of the block.
     */
    getWeight(): number;
    /** @returns The dimensions of the icon for use in rendering. */
    getSize(): Size;
    /** Updates the icon's color when the block's color changes.. */
    applyColour(): void;
    /** Hides the icon when it is part of an insertion marker. */
    hideForInsertionMarker(): void;
    /** Updates the icon's editability when the block's editability changes. */
    updateEditable(): void;
    /**
     * Updates the icon's collapsed-ness/view when the block's collapsed-ness
     * changes.
     */
    updateCollapsed(): void;
    /**
     * @returns Whether this icon is shown when the block is collapsed. Used
     *     to allow renderers to account for padding.
     */
    isShownWhenCollapsed(): boolean;
    /**
     * Notifies the icon where it is relative to its block's top-start, in
     * workspace units.
     */
    setOffsetInBlock(offset: Coordinate): void;
    /**
     * Notifies the icon that it has changed locations.
     *
     * @param blockOrigin The location of this icon's block's top-start corner
     *     in workspace coordinates.
     */
    onLocationChange(blockOrigin: Coordinate): void;
    /**
     * Notifies the icon that it has been clicked.
     */
    onClick(): void;
}
/** Type guard that checks whether the given object is an IIcon. */
export declare function isIcon(obj: any): obj is IIcon;
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