import type { MetaPromptFile } from '../../types/index.js';
/**
 * Load and parse a single meta-prompt file.
 * Throws on missing file or invalid frontmatter.
 */
export declare function loadMetaPrompt(filePath: string): MetaPromptFile;
/**
 * Scan pipelineDir recursively for all .md files.
 * Returns a map of frontmatter.name → MetaPromptFile.
 * Files that fail to load are skipped with a warning.
 */
export declare function discoverMetaPrompts(pipelineDir: string): Map<string, MetaPromptFile>;
/**
 * Scan both pipeline and tools directories for meta-prompts.
 * Returns a unified map of frontmatter.name → MetaPromptFile.
 * Tools directory is optional — if it doesn't exist, only pipeline steps are returned.
 */
export declare function discoverAllMetaPrompts(pipelineDir: string, toolsDir: string): Map<string, MetaPromptFile>;
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