/**
 * Visual-quality profile. `fast` is SmolVLM-256M / IDEFICS3 (~250 MB cache);
 * `quality` is Qwen2.5-VL-3B-Instruct-ONNX (~2.9 GB, ~2x per-page inference,
 * better on figures with in-image text).
 */
export declare const QUALITY_PROFILES: readonly ['fast', 'quality'];
export type QualityProfile = (typeof QUALITY_PROFILES)[number];
/** True for one of the supported profiles; anything else, including a stored legacy value, is not. */
export declare function isQualityProfile(value: unknown): value is QualityProfile;
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