/**
 * Prompt loader - loads prompt definitions from markdown files
 */
import type { PromptDefinition } from '../types/prompt.types.js';
export declare class PromptLoader {
    private static readonly CATEGORY_DIR_MAP;
    private cache;
    private pluginPromptsDirs;
    private promptsDir;
    constructor(promptsDir?: string);
    /**
     * Register an additional prompts root contributed by a plugin.
     * Plugin prompts must use existing categories; new categories are not supported.
     */
    registerPluginPromptsDir(dir: string): void;
    /**
     * Load a specific prompt by ID (category.name format)
     */
    loadPrompt(promptId: string): Promise<PromptDefinition>;
    /**
     * Find prompt file by category and name.
     * Checks the primary prompts directory first, then plugin prompt directories.
     */
    private findPromptFile;
    /**
     * Load all prompts in a category
     */
    loadCategoryPrompts(category: string): Promise<Map<string, PromptDefinition>>;
    /**
     * List all available prompts
     */
    listPrompts(): Promise<string[]>;
    /**
     * Resolve {{include:path/to/file.md}} directives in prompt content.
     *
     * Each directive is replaced with the verbatim contents of the referenced
     * file under the prompts directory. Resolution is **single-pass**: if an
     * included file itself contains `{{include:...}}` directives, those are left
     * unexpanded. Missing files produce a warning and are replaced with an empty
     * string so the calling prompt still loads cleanly. All other read errors are
     * re-thrown as `ValidationError` to preserve full context up the call stack.
     */
    private resolveIncludes;
    /**
     * Clear cache
     */
    clearCache(): void;
    /**
     * Get cache size
     */
    getCacheSize(): number;
    /**
     * Inject a pre-loaded prompt into the cache
     * Used by dry-run cache to speed up subsequent execution
     */
    injectCachedPrompt(promptId: string, prompt: PromptDefinition): void;
}
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