import type { ConversionUnit, GeneratedConversionUnit } from "../../workflows/types.ts";
export declare class DirectCandidateValidationError extends Error {
    constructor(message: string);
}
/**
 * Validate a complete source candidate without importing or executing it.
 * Python uses its real AST so indentation, grammar, same-name nested
 * definitions, and trivially unreachable statements are covered; other
 * supported text languages retain the conservative delimiter parser.
 */
export declare function validateCandidateFileSyntax(sourcePath: string, candidate: string, baseline?: string): Promise<void>;
/** Remove exact surrounding-code repetition without guessing at new behavior. */
export declare function normalizeGeneratedUnitCode(unit: ConversionUnit, code: string): string;
/**
 * Compiler mode may safely peel a full function wrapper from a fragment-only
 * answer because discovery has already proven the exact grammar slot. This is
 * not used by agent mode and never invents behavior: it only removes syntax
 * that belongs to the surrounding source.
 */
export declare function normalizeCompilerGeneratedUnitCode(unit: ConversionUnit, code: string): string;
export declare function candidateTextForUnit(unit: ConversionUnit, code: string): Promise<string>;
/** Build complete candidate text per target, combining every marker in a file. */
export declare function candidateTextsForGenerated(generated: readonly GeneratedConversionUnit[]): Promise<Map<string, string>>;
/** Validate the complete candidate file before any direct-agent write occurs. */
export declare function validateGeneratedUnit(unit: ConversionUnit, code: string): Promise<void>;
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