import { DeukPackAST } from '../types/DeukPackTypes';
/**
 * DeukPackAST Utilities
 * Provides functions for merging and deduplicating AST objects.
 */
export declare class DeukPackASTUtils {
    /**
     * Merges multiple AST objects into a single one.
     * Elements with the same name will be present multiple times in the merged AST
     * unless deduplicateAST is called afterwards.
     */
    static mergeASTs(asts: DeukPackAST[]): DeukPackAST;
    /**
     * Deduplicates elements in an AST based on their names.
     * Keeps the first occurrence of each named element.
     */
    static deduplicateAST(ast: DeukPackAST): DeukPackAST;
    private static removeDuplicates;
    /**
     * Deep merge and deduplicate.
     */
    static mergeAndDeduplicate(asts: DeukPackAST[]): DeukPackAST;
}
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