/** Whether the type is a Google Workspace native type (exported, never downloaded). */
export declare function isGoogleNative(mimeType: string): boolean;
/** The text-representation export MIME for a native type, if it has one. */
export declare function textExportMime(mimeType: string): string | undefined;
/** Whether a blob type is text enough for `read_file_content` to return as UTF-8. */
export declare function isTextLike(mimeType: string): boolean;
/** The Drive media deferral every cap refusal in this wing cites. */
export declare const MEDIA_DEFERRAL = "https://github.com/simiancraft/google-mcp-suite/issues/38";
/**
 * The bytes of a media-shaped response. googleapis types `res.data` from the
 * resource schema, not the request's `responseType`; with
 * `{ responseType: 'arraybuffer' }` the body is an ArrayBuffer at runtime,
 * and this helper owns that one cast for both content tools.
 */
export declare function mediaBuffer(res: {
    data: unknown;
}): Buffer;
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