/** Chip identifier (e.g. "esp32c3", "esp32c6"). Not hardcoded — any chip with a matching firmware release asset will work. */
export type Chip = string;
export type ResolveFromOptions = {
    from: string;
    chip?: Chip;
    board?: string;
    onProgress?: (message: string) => void;
};
/**
 * Resolve firmware from a `--from` reference.
 *
 * Resolution order:
 * 1. URL (http/https) → download directly
 * 2. Contains `/` → external repo (user/repo or user/repo@ref)
 * 3. Starts with `v` + digit → release tag on mikrojs/mikro (fallback to Actions)
 * 4. Everything else → resolve as ref (branch/tag/SHA) on mikrojs/mikro via Actions
 *
 * Note: for mikrojs/mikro, versioned firmware (vX.Y.Z) is bundled in the
 * @mikrojs/firmware npm package and used by the default flash path. The
 * release-asset code path here is exercised by external repos that ship
 * firmware tarballs as GitHub Release assets.
 */
export declare function resolveFrom(options: ResolveFromOptions): Promise<string>;
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