import type { PipelineString } from '../../../pipeline/PipelineString';
/**
 * Utility to determine if a pipeline string is in flat format.
 * A flat pipeline is a simple text without proper structure (headers, blocks, etc).
 *
 * @public exported from `@promptbook/editable`
 */
export declare function isFlatPipeline(pipelineString: PipelineString): boolean;