/**
 * Content type IDs allowed when adding entries to page/article/template content arrays.
 * Used by the add command to refuse unsupported types with a clear error.
 */
export declare const ALLOWED_CONTENT_TYPES_FOR_PAGE_ARTICLE: readonly ["collection", "component", "externalComponent", "externalVideo", "htmlComponent", "media", "person"];
export declare function isAllowedContentTypeForAdd(contentTypeId: string): boolean;
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