import { default as React } from 'react';
import { FieldWidgetComponentProps } from './types.js';
/**
 * FileField - File upload widget with drag-and-drop support
 * Supports single and multiple file uploads with configurable accepted file types.
 * L2: File size validation, per-file progress indicators, error messages.
 */
export declare function FileField({ value, onChange, field, readonly, onUploadingChange, error, ...props }: FieldWidgetComponentProps<any>): React.JSX.Element;
/**
 * FileCell — compact upload control for a line-item grid cell (objectui#2360).
 *
 * Same value shape and upload pipeline as {@link FileField}, sized for a 32px
 * grid row: existing files render as removable chips (image thumbnail / file
 * icon + name) and a small button opens the native file picker. No
 * drag-and-drop zone — a grid cell has no room for one; the per-row expand
 * form still offers the full-size FileField.
 */
export declare function FileCell({ value, onChange, disabled, multiple, accept, maxSize, error, 'aria-label': ariaLabel, 'data-cell': dataCell, }: {
    value: any;
    onChange: (value: any) => void;
    disabled?: boolean;
    multiple?: boolean;
    /** Comma-joined accept list for the native picker (e.g. `"image/*,.pdf"`). */
    accept?: string;
    /** Max file size in bytes (oversize picks are rejected with an inline error). */
    maxSize?: number;
    /**
     * The active validation message for this cell, named as
     * `@objectstack/spec/ui`'s `FieldWidgetPropsSchema` names it — the same
     * published slot `FieldWidgetComponentProps` declares and `LookupField` /
     * `FileField` above already consume (objectui#5431, completing #3318's
     * per-cell delivery). NOT the per-pick upload `errors` this component
     * computes itself — this is the HOST's verdict on the cell's value.
     *
     * **Producer**: `GridField`, for a required-but-empty `file` cell.
     * **Consumer**: drives `aria-invalid` on the picker button — the focusable
     * control assistive tech reads a control state from (objectui#5223; a mark
     * on the non-focusable wrapper is exactly what the registry sweep forbids).
     * The message TEXT stays with the cell's `title` in `GridField`; rendering
     * it here would double-display it.
     */
    error?: string;
    'aria-label'?: string;
    /** Focus-grid coordinate (see GridField keyboard navigation). */
    'data-cell'?: string;
}): React.JSX.Element;