/**
 * FileType - ported 1:1 from Veryfront Studio. The canonical file-type
 * identity primitive: one distinct hue per extension. This is the single
 * sanctioned place where Tailwind named-colour utilities live (the per-file-
 * type identity palette) - every other primitive uses `[var(--token)]`. Only
 * the `DEFAULT` style and `vf-type`/`vf-weight` classes are remapped to
 * veryfront's vocabulary. Private to the chat module.
 *
 * Exports the soft-fill `FileType` (lists/tables), the solid-fill
 * `FileTypeThumb` (chip thumbnails), and the `getFileTypeLabel` helper.
 *
 * @module react/components/ui/file-type
 */
import * as React from "react";
/** Human label for a file extension, falling back to the media type. */
export declare function getFileTypeLabel(ext: string, mediaType?: string): string;
/** Props accepted by `<FileType>` / `<FileTypeThumb>`. */
export interface FileTypeProps extends React.HTMLAttributes<HTMLDivElement> {
    extension: string;
    /** React 19: ref is a regular prop, forwarded to the root node. */
    ref?: React.Ref<HTMLDivElement>;
}
/** Soft-fill badge - rounded square, tinted background, extension label. */
export declare function FileType({ extension, className, ref, ...props }: FileTypeProps): React.ReactElement;
/** Solid-fill thumbnail - full-saturation square with white `.ext` text. */
export declare function FileTypeThumb({ extension, className, ref, ...props }: FileTypeProps): React.ReactElement;
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