import { PopoverTriggerDirective } from '../../popover/src/popover-trigger.directive';
import { Placement } from '../../common/placement';
import { IconRegistry } from '../../icon/public_api';
import * as i0 from "@angular/core";
export declare class HelpButtonHeaderDirective {
    static ɵfac: i0.ɵɵFactoryDeclaration<HelpButtonHeaderDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<HelpButtonHeaderDirective, "sp-help-button-header", never, {}, {}, never, never, true, never>;
}
export declare class HelpButtonContentDirective {
    static ɵfac: i0.ɵɵFactoryDeclaration<HelpButtonContentDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<HelpButtonContentDirective, "sp-help-button-content", never, {}, {}, never, never, true, never>;
}
export declare class HelpButtonFooterDirective {
    static ɵfac: i0.ɵɵFactoryDeclaration<HelpButtonFooterDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<HelpButtonFooterDirective, "sp-help-button-footer", never, {}, {}, never, never, true, never>;
}
/**
 * This component helps you show more information about an adjacent piece of UI.
 * Unlike Tooltip, HelpButton comes with its own trigger UI, opens on press, not hover, is
 * marked up differently for accessibility, and has a structured content with a
 * header, content and footer.
 */
export declare class HelpButtonComponent {
    constructor(iconRegistry: IconRegistry);
    /**
     *
     * The type of help button which determines the icon shown.
     *
     * Use "info" for brief, contextual supplemental information. The content
     * inside should have an instructive tone.
     *
     * Use "help" variant to signal more in-depth guidance about a task or UI,
     * this may include links or images or other helpful media. The content
     * inside should have a helpful tone.
     *
     * @default 'info'
     */
    variant: 'info' | 'help';
    /**
     * Placement of popover relative to the icon that triggers it.
     */
    placement: Placement;
    /**
     * The label for the trigger of the help dialog.
     * This will NOT be rendered on the screen, but it is required
     * for accessibility reasons.
     */
    ariaLabel: string;
    _trigger?: PopoverTriggerDirective;
    _footer?: HelpButtonFooterDirective;
    _header?: HelpButtonHeaderDirective;
    isOpen(): boolean | undefined;
    toggle(): void | undefined;
    open(): void | undefined;
    close(): void | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<HelpButtonComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<HelpButtonComponent, "sp-help-button", never, { "variant": "variant"; "placement": "placement"; "ariaLabel": "aria-label"; }, {}, ["_footer", "_header"], ["sp-help-button-header", "sp-help-button-content", "sp-help-button-footer"], true, never>;
}