export declare const VARIABLE_CONTENT_NODE_NAME = "variable_content";
export declare const CONTENT_VARIANT_NODE_NAME = "content_variant";
export declare const VARIABLE_CONTENT_DIRECTIVE_NAME = "variants";
export declare const VARIANT_DIRECTIVE_NAME = "variant";
/**
 * ProseMirror group for blocks allowed only under `doc`, not inside `content_variant`
 * (or other `block+` containers). Paired with doc content `(block | topLevelBlock)+`.
 */
export declare const TOP_LEVEL_BLOCK_GROUP = "topLevelBlock";
/** UI / dimensions sentinel for the default (no match keys) variant. */
export declare const DEFAULT_VARIANT_VALUE = "default";
export declare const EMPTY_DIMENSIONS_JSON = "{}";