import { EventEmitter } from '../../stencil-public-runtime';
import { type ControlWidth } from '../../utils';
import { type ChoiceBackground, type ChoiceOption, type ChoiceSection } from '../../utils/choice-list';
export type SelectOption = ChoiceOption;
export type SelectSection = ChoiceSection;
export type SelectBackground = ChoiceBackground;
export type SelectSize = 'lg' | 'md' | 'sm' | 'xs';
export type SelectWidth = ControlWidth;
export type SelectPopupAlign = 'start' | 'end';
export type SelectValue = string | string[];
export type SelectIndicator = 'down' | 'up-down';
export interface SelectOptionActionDetail {
    value: string;
    anchorId: string;
    originalEvent: MouseEvent;
}
export interface SelectOptionSubtextActionDetail {
    value: string;
    actionValue: string;
    originalEvent: MouseEvent;
}
export declare class Select {
    el: HTMLElement;
    internals: ElementInternals;
    /** Flat choices. Assign arrays through the JavaScript property. */
    options: SelectOption[];
    /** Grouped choices; takes precedence over options. Assign through JavaScript. */
    sections: SelectSection[];
    /** Enable independent multi-value selection while keeping the popup open. */
    multiple: boolean;
    /** Selected scalar or array value according to `multiple`. */
    value: SelectValue;
    /** Controlled popup visibility. */
    open: boolean;
    /** Native form field name. */
    name: string | undefined;
    /** Native disabled state. */
    disabled: boolean;
    /** Require one valid selected value. */
    required: boolean;
    /** Validation message used when required is missing. */
    requiredMessage: string;
    /** Trigger text shown when no valid value is selected. */
    placeholder: string;
    /** Optional scalar-mode trigger text that does not change the selected option label. */
    triggerLabel: string | undefined;
    /** Present triggerLabel with placeholder emphasis while preserving the selected value. */
    triggerLabelPlaceholder: boolean;
    /** Show a supplemental notification dot beside the trigger label. */
    dot: boolean;
    /** Control density. */
    size: SelectSize;
    /** Width fit — hug content (default) or fill the parent. */
    width: SelectWidth;
    /** Align the popup's choice edge to the trigger start or end edge. */
    popupAlign: SelectPopupAlign;
    /** Shared inactive treatment; removes interaction and form submission. */
    isInactive: boolean;
    /** Replace the prefix with a loader and disable option interaction. */
    isLoading: boolean;
    /** Show the selected interaction fill when a valid value exists. */
    activeFill: boolean;
    /**
     * Opt into table-caption icon-only chrome below 900px. The trigger omits its
     * visible label and chevron; keep an accessible name via aria-label.
     */
    collapseLabel: boolean;
    /** Show the surface-aware inset border, including focused and invalid strokes. */
    hasBorder: boolean;
    /** Optional trigger prefix icon name. */
    icon: string | undefined;
    /** Trailing choice indicator. Use up-down for compact value steppers such as page size. */
    indicator: SelectIndicator;
    /** Show the clear footer action when a value exists. */
    allowClear: boolean;
    /** Localized clear action label. */
    clearLabel: string;
    /** Localized noun displayed after the selected count in multiple mode. */
    selectedLabel: string;
    /** Optional text action shown in the popup footer instead of the clear action. */
    footerActionLabel: string | undefined;
    /** Show immediate local filtering over option labels, subtext, and section headings. */
    searchable: boolean;
    /** Localized search-field placeholder and accessible name. */
    searchPlaceholder: string;
    /** Localized empty-filter result text. */
    noResultsText: string;
    /** Accessible loading status label. */
    loadingLabel: string;
    /** Actual parent surface context; omit on primary and secondary surfaces. */
    background: SelectBackground | undefined;
    /** Show invalid visual state. */
    error: boolean;
    /** Error text rendered below the trigger when error is true. */
    errorMessage: string | undefined;
    /** ID applied to the internal combobox trigger for external labels. */
    inputId: string | undefined;
    /** Direct accessible name when no external label is available. */
    ariaLabel: string | null;
    /** IDs of elements that label the combobox. */
    ariaLabelledby: string | undefined;
    /** Additional IDs that describe the combobox. */
    ariaDescribedby: string | undefined;
    /** Emitted after selection or clearing with the next scalar or array value. */
    dsChange: EventEmitter<SelectValue>;
    /** Emitted after the footer clear action. */
    dsClear: EventEmitter<void>;
    /** Emitted whenever popup visibility changes. */
    dsOpenChange: EventEmitter<boolean>;
    /** Emitted when the optional popup footer action is activated. */
    dsFooterAction: EventEmitter<void>;
    /** Emitted when an option's contextual ellipsis action is activated. */
    dsOptionAction: EventEmitter<SelectOptionActionDetail>;
    /** Emitted when an option's supporting text action is activated. */
    dsOptionSubtextAction: EventEmitter<SelectOptionSubtextActionDetail>;
    private activeIndex;
    private searchTerm;
    private formDisabled;
    private position;
    private positionReady;
    private focusRingVisible;
    private compactFooterSummary;
    private captionCompact;
    private readonly generatedId;
    private readonly listboxId;
    private readonly errorId;
    private initialValue;
    private readonly controller;
    private footerContentElement?;
    private footerSummaryMeasureElement?;
    private footerClearElement?;
    private footerResizeObserver?;
    private observedFooterContentElement?;
    private footerMeasurementFrame?;
    private captionCompactDisconnect;
    private hasLoaded;
    private createController;
    componentWillLoad(): void;
    componentDidLoad(): void;
    connectedCallback(): void;
    componentDidRender(): void;
    disconnectedCallback(): void;
    onCollapseLabelChange(): void;
    syncFormValue(): void;
    onLoadingChange(): void;
    onPopupAlignChange(): void;
    onOpenChange(open: boolean): void;
    onSearchTermChange(): void;
    onActiveIndexChange(): void;
    formDisabledCallback(disabled: boolean): void;
    formResetCallback(): void;
    formStateRestoreCallback(state: string | File | FormData | null): void;
    setFocus(): Promise<void>;
    private get isDisabled();
    private normalizeValueForMode;
    private get allSections();
    private get allOptions();
    private get visibleSections();
    private get visibleOptions();
    private get scalarValue();
    private get resolvedValues();
    private get selectedOption();
    private get hasSelection();
    private get activeOptionId();
    private get popupRole();
    private observeFooterContent;
    private scheduleFooterSummaryMeasurement;
    private measureFooterSummary;
    private closePopup;
    private openPopup;
    private selectOption;
    private clearSelection;
    private activateFooterAction;
    private readonly handleListKeyDown;
    private readonly handleTriggerKeyDown;
    private renderOption;
    private get captionIconOnly();
    private syncCaptionCompactObserver;
    private disconnectCaptionCompactObserver;
    render(): any;
}
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