import type { AttachmentArtifactWorkProductMetadata, IssueWorkProduct } from "./types/work-product.js";
/**
 * Shared classification for bridging attachment-backed Markdown work products
 * into the issue document review experience. Server materialization and UI
 * presentation must agree on eligibility, so both sides use these helpers.
 */
export declare const MARKDOWN_ATTACHMENT_CONTENT_TYPES: readonly ["text/markdown", "text/x-markdown", "application/markdown", "application/x-markdown"];
/**
 * Maximum attachment size eligible for review-document materialization.
 * Matches the issue-document body limit: a UTF-8 payload of at most this many
 * bytes always fits the 524288-character body cap.
 */
export declare const MARKDOWN_REVIEW_DOCUMENT_MAX_BYTES: number;
export declare const ARTIFACT_REVIEW_DOCUMENT_KEY_PREFIX = "artifact-review-";
export declare function isMarkdownAttachmentContent(input: {
    contentType: string | null | undefined;
    originalFilename?: string | null;
}): boolean;
export type AttachmentArtifactWorkProductLike = Pick<IssueWorkProduct, "type" | "provider" | "metadata">;
export declare function getAttachmentArtifactWorkProductMetadata(workProduct: AttachmentArtifactWorkProductLike): AttachmentArtifactWorkProductMetadata | null;
export declare function getMarkdownWorkProductAttachmentMetadata(workProduct: AttachmentArtifactWorkProductLike): AttachmentArtifactWorkProductMetadata | null;
export declare function isMarkdownArtifactWorkProduct(workProduct: AttachmentArtifactWorkProductLike): boolean;
export declare function artifactReviewDocumentKey(workProductId: string): string;
export declare function isArtifactReviewDocumentKey(key: string): boolean;
export declare function workProductIdFromArtifactReviewDocumentKey(key: string): string | null;
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