/**
 * Get all block-level structured content tags in the document
 * @category Helper
 * @param {import('prosemirror-state').EditorState} state Editor state
 * @returns {Array<{ node: import('prosemirror-model').Node, pos: number }>} All structured content block nodes
 * @example
 * const blocks = editor.helpers.getStructuredContentBlockTags(editor.state)
 * console.log(`Found ${blocks.length} structured content blocks`)
 */
export function getStructuredContentBlockTags(state: import("prosemirror-state").EditorState): Array<{
    node: import("prosemirror-model").Node;
    pos: number;
}>;
