import { z } from "zod";
/** Maximum length of an asset namespace, in characters. */
export declare const ASSET_NAMESPACE_MAX_LENGTH = 120;
/** Human-readable statement of the namespace rule. Reused in API errors. */
export declare const ASSET_NAMESPACE_RULE = "\"namespace\" must be 1-120 characters of letters, numbers, or / _ - . : @ |, and cannot contain \".\" or \"..\" path segments";
export declare const createAssetImageMetadataSchema: z.ZodObject<{
    namespace: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
export type CreateAssetImageMetadata = z.infer<typeof createAssetImageMetadataSchema>;
/**
 * Make a namespace that `createAssetImageMetadataSchema` accepts.
 *
 * Each "/"-separated segment keeps its accepted characters. Other characters
 * become "-", repeated dashes collapse, and empty, "." and ".." segments go
 * away. The result is at most `ASSET_NAMESPACE_MAX_LENGTH` characters.
 *
 * Returns undefined when no segment survives. Callers then send no namespace
 * and the server applies its default.
 */
export declare function sanitizeAssetNamespace(namespace: string): string | undefined;
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