export interface EditorImageUploadResult {
    src: string;
    alt?: string;
}
export type EditorImageUploadFn = (file: File) => Promise<EditorImageUploadResult>;
/**
 * The shared editor's default image uploader: upload a picked / pasted /
 * dropped image File through the framework `upload-image` action and return the
 * hosted CDN URL.
 *
 * This is the upload function embedders pass to the shared image block so
 * any app gets a real uploading image block with zero per-app upload code. The
 * action re-hosts the bytes on the configured provider (Builder.io by default),
 * is session-scoped, and returns a stable `![alt](url)` source — so a plan's
 * inserted image autosaves as plain markdown through the existing
 * `update-rich-text` path with no new persistence channel.
 *
 * @throws when the file cannot be read, the action returns no URL, or upload is
 *   not configured (with the action's "connect Builder.io" guidance).
 */
export declare const uploadEditorImage: EditorImageUploadFn;
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