import { PipelineContext, BuilderOutput } from '../programBuilder';
import { PhpProgramCodemodResult, PhpProgramCodemodVisitorSummary } from '../codemods/types';
import { PhpProgram } from '../nodes';
export declare function serialiseAst(ast: unknown): string;
export interface PersistProgramArtifactsOptions {
    readonly emitAst?: boolean;
}
export declare function persistProgramArtifacts(context: PipelineContext, output: BuilderOutput, filePath: string, code: string, ast: PhpProgram, options?: PersistProgramArtifactsOptions): Promise<void>;
export declare function persistCodemodDiagnostics(context: PipelineContext, output: BuilderOutput, filePath: string, codemod: PhpProgramCodemodResult, options?: PersistProgramArtifactsOptions): Promise<void>;
export declare function formatCodemodSummary(codemod: PhpProgramCodemodResult): string;
export declare function formatCodemodVisitorSummary(visitor: PhpProgramCodemodVisitorSummary): string;
export declare function collectCodemodDifferences(before: PhpProgram, after: PhpProgram, limit?: number): string[];
export declare function hashAst(ast: PhpProgram): string;