import type { EventEmitter } from '../../stencil-public-runtime';
import type { FileItemRemoveDetail, FileItemState, FileItemVariant } from './mud-file-item.types';
import type { LocaleProp } from '../../utils/locale';
/**
 * File Item — single-file row inside `mud-file-input` (or any file list surface).
 *
 * Pattern B (atom, internal DOM): renders filename + meta (size / error message)
 * + state icon + remove button. The remove button is the only interactive
 * element; the row itself is not focusable so it cannot trap citizens who tab
 * past a long list.
 *
 * @element mud-file-item
 *
 * @slot icon - Override the leading file-type icon. Defaults to `attachment`.
 */
export declare class MudFileItem {
    /**
     * Lifecycle state. Drives leading icon color and border treatment.
     * Matches Figma's 4-state model: `uploaded` (resting), `uploading`,
     * `success`, `error`.
     * @default 'uploaded'
     */
    state: FileItemState;
    /**
     * Visual variant. `system` renders the Figma "system-files-item" card: a taller
     * grey card, a blue document glyph and an info row (`issued-label` `issued-on` • `issuer`)
     * in place of the size meta. Use it for documents issued by a registry rather than uploaded.
     * @default 'default'
     */
    variant: FileItemVariant;
    /**
     * System variant: render as a selectable list option (Figma "system-files-item-selectable") —
     * white bordered row, no remove button. The owner handles click / keyboard and sets `selected`.
     * @default false
     */
    selectable: boolean;
    /**
     * Selectable rows: marks the chosen option with the brand border.
     * @default false
     */
    selected: boolean;
    /**
     * Upload variant: progress of an uploading row, 0–100. Left unset, the bar is indeterminate. Ignored in
     * other states and variants.
     */
    progress?: number;
    /** System variant: label before the issue date (already localised, e.g. "Emis"). */
    issuedLabel?: string;
    /** System variant: issue date, pre-formatted by the host (e.g. "12.03.2026"). */
    issuedOn?: string;
    /** System variant: issuing authority (e.g. "EVO"). */
    issuer?: string;
    /**
     * Visible filename.
     * @default ''
     */
    filename: string;
    /** Optional file size in bytes — rendered as a human-readable string. */
    size?: number;
    /**
     * Per-item error message. Replaces the size meta line when `state="error"`.
     */
    errorText?: string;
    /**
     * Optional image-preview URL (object URL or data URI). When set, a thumbnail
     * renders in place of the leading file-type icon (the Figma "image-preview"
     * variation). Falls back to the icon if the image fails to load.
     */
    previewSrc?: string;
    /**
     * Disables the remove button.
     * @default false
     */
    disabled: boolean;
    /**
     * Hide the remove button entirely (e.g. read-only summary lists).
     * @default false
     */
    noRemove: boolean;
    /**
     * Language of the built-in copy. Unset, the component follows the closest ancestor `lang`
     * (`<html lang>` included), else `ro-MD`.
     */
    locale?: LocaleProp;
    /**
     * Accessible label for the remove button. Overrides the `locale`'s copy when set to a
     * non-empty string.
     * @default 'Elimină fișierul' (ro-MD)
     */
    removeLabel?: string;
    /**
     * Text announced to assistive technology when the row starts uploading (the state is otherwise only a spinner).
     * Overrides the `locale`'s copy when set to a non-empty string.
     * @default 'Se încarcă' (ro-MD)
     */
    uploadingLabel?: string;
    /**
     * Text announced when an upload finishes (`success`, or `uploaded` right after `uploading`).
     * Overrides the `locale`'s copy when set to a non-empty string.
     * @default 'Încărcat cu succes' (ro-MD)
     */
    successLabel?: string;
    /**
     * Text announced when the row turns to `error` and has no `error-text` of its own (with one, the message itself
     * is announced as an alert). Overrides the `locale`'s copy when set to a non-empty string.
     * @default 'Eroare la încărcare' (ro-MD)
     */
    errorLabel?: string;
    private previewFailed;
    /** What the live region says now: the filename and the new state, set when the state changes. */
    private announcement;
    /** True when the filename is visually clipped, which gates the hover tooltip. */
    private isTruncated;
    host: HTMLMudFileItemElement;
    /** Fires when the citizen presses the remove control. The host is responsible for splicing the file out of its list. */
    mudRemove: EventEmitter<FileItemRemoveDetail>;
    private filenameEl?;
    private resizeObserver?;
    private stopLang?;
    connectedCallback(): void;
    componentWillLoad(): void;
    componentDidLoad(): void;
    componentDidUpdate(): void;
    disconnectedCallback(): void;
    /** Built-in strings in the resolved locale, with the override props on top. */
    private messages;
    /** Compare rendered vs content width to know if the name is clipped (tooltip-worthy). */
    private measureTruncation;
    validateState(next: FileItemState): void;
    /**
     * The state is drawn as an icon only, so a change of it is also said in a live region: the filename and what
     * happened. Nothing is announced for the resting row, or for an error that carries its own `error-text` (that is
     * an alert of its own).
     */
    announceState(next: FileItemState, prev: FileItemState | undefined): void;
    resetPreviewFailure(): void;
    /** Hands the clamped progress to the bar through a custom property (no inline style in the template). */
    syncProgress(): void;
    private handlePreviewError;
    private handleRemove;
    private handleRemoveKey;
    private formatSize;
    render(): any;
}