import { ExtendedPlanFile, ParseResult, PlanFile } from '../types';
/**
 * Parse a Sqitch plan file with full validation
 * Supports both changes and tags
 */
export declare function parsePlanFile(planPath: string): ParseResult<ExtendedPlanFile>;
/**
 * Resolve a reference within a plan file context
 * Handles symbolic references (HEAD, ROOT) and relative references
 */
export declare function resolveReference(ref: string, plan: ExtendedPlanFile, currentPackage?: string): {
    change?: string;
    tag?: string;
    error?: string;
};
/**
 * Simple plan file parser without validation.
 * Returns a PlanFile (without tags) for callers that don't need tag data.
 */
export declare function parsePlanFileSimple(planPath: string): PlanFile;
/**
 * Get all change names from a plan file
 */
export declare function getChanges(planPath: string): string[];
/**
 * Get the latest (last) change from a plan file
 */
export declare function getLatestChange(planPath: string): string;