//#region src/ai/image-limits.d.ts
/** Shared image attachment limits for AI chat (client composer + `/api/latest/ai/query/[mode]`). */
declare const MAX_IMAGES_PER_MESSAGE = 3;
declare const MAX_IMAGE_BYTES_PER_FILE: number;
declare const MAX_IMAGE_MB_PER_FILE: number;
/** Decoded byte length of a base64 data URL or raw base64 (padding error ≤ 2 bytes). */
declare function estimateBase64ByteLength(dataUrl: string): number;
type ImageValidationFailure = {
  code: "too_many";
  maxImages: number;
} | {
  code: "too_large";
  maxBytes: number;
  actualBytes: number;
};
type ImageValidationResult = {
  ok: true;
} | {
  ok: false;
  failure: ImageValidationFailure;
  reason: string;
};
type MessageLike = {
  role?: unknown;
  content?: unknown;
};
declare function validateImageCount(imageCount: number): ImageValidationResult;
declare function validateImageByteLength(bytes: number): ImageValidationResult;
/** Validates per-message image count and per-file size for user messages. */
declare function validateImageAttachments(messages: readonly MessageLike[]): void;
//#endregion
export { ImageValidationFailure, ImageValidationResult, MAX_IMAGES_PER_MESSAGE, MAX_IMAGE_BYTES_PER_FILE, MAX_IMAGE_MB_PER_FILE, estimateBase64ByteLength, validateImageAttachments, validateImageByteLength, validateImageCount };
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