import { ElementRef } from '@angular/core';
import { PopoverTriggerDirective } from '../../../popover/src/popover-trigger.directive';
import { ListboxComponent } from '../../../listbox/src/listbox.component';
import { FocusMonitor, FocusOrigin } from '@angular/cdk/a11y';
import { SelectComponentBase } from '../common/select-component-base';
import { SelectValueHolder, SingleSelectDirectiveBase } from '../common/select-value-holder';
import { IconRegistry } from '../../../icon/public_api';
import * as i0 from "@angular/core";
/**
 * NOTE: Support for multiple selection in basic select is removed, based on
 * a UX decision. See commit message for more details.
 */
export declare class SelectButtonSingleSelectDirective extends SingleSelectDirectiveBase {
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectButtonSingleSelectDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SelectButtonSingleSelectDirective, "sp-select-button:not([multiple])", never, {}, {}, never, never, false, never>;
}
/**
 * Allows user to select a single option from a list, similar to native select
 * component.
 *
 * Example:
 * ```tsx
 * <sp-select-button
 *    placeholder="Select an option"
 *    size="sm"
 *    variant="secondary"
 * >
 *   <sp-option value="option1">First Option</sp-option>
 *   <sp-option value="option2">Second Option</sp-option>
 *   <sp-option value="option3">Third Option</sp-option>
 * </sp-select-button>
 * ```
 */
export declare class SelectButtonComponent extends SelectComponentBase {
    private focusMonitor;
    /**
     * Size of the button
     * @default 'md'
     */
    size: 'sm' | 'md' | 'lg';
    /**
     * Visual variations
     * @default 'tertiary'
     */
    variant: 'primary' | 'secondary' | 'tertiary';
    protected triggerRef: PopoverTriggerDirective | undefined;
    protected triggerElementRef: ElementRef | undefined;
    protected listbox: ListboxComponent | undefined;
    private focused;
    constructor(valueHolder: SelectValueHolder, focusMonitor: FocusMonitor, iconRegistry: IconRegistry);
    focus(focusOrigin?: FocusOrigin): void;
    isFocused(): boolean;
    _onFocusChange(focusOrigin: FocusOrigin): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectButtonComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SelectButtonComponent, "sp-select-button", ["spSelectButton"], { "size": "size"; "variant": "variant"; }, {}, never, ["sp-selection-text"], false, never>;
}