import type { ImageAttachmentRef, StoredImageAttachment } from '@deepseek-ai/dsh-attachment';
import type { ManagedImageCapability } from './transport.js';
export interface EffectiveImageRules {
    maximumWidth?: number;
    maximumHeight?: number;
    maximumPixels?: number;
    maximumLongEdge?: number;
    maximumShortEdge?: number;
}
export interface PreparedManagedImage {
    ref: ImageAttachmentRef;
    data: Uint8Array;
}
export declare function effectiveImageRules(capability: ManagedImageCapability, imageCount: number, mediaType: string): EffectiveImageRules;
export declare function imagePreparationVariant(rules: EffectiveImageRules): string;
export declare function assertImageRequestCanBePrepared(attachments: readonly ImageAttachmentRef[], capability: ManagedImageCapability): void;
export declare function assertPreparedImageRequestBytes(totalBytes: number, capability: ManagedImageCapability): void;
export declare function prepareManagedImage(stored: StoredImageAttachment, capability: ManagedImageCapability, rules: EffectiveImageRules, signal: AbortSignal): Promise<PreparedManagedImage>;
//# sourceMappingURL=image-preparer.d.ts.map