import { type PhpRuntimeValue } from '../_helpers/_phpTypes.ts';
type VarExportInput = PhpRuntimeValue;
type VarExportResult = string | number | boolean | null;
export declare function var_export(mixedExpression: VarExportInput, boolReturn: true, idtLevel?: number): VarExportResult;
export declare function var_export(mixedExpression: VarExportInput, boolReturn?: false | undefined, idtLevel?: number): null;
export declare function var_export(mixedExpression: VarExportInput, boolReturn?: boolean, idtLevel?: number): VarExportResult | null;
export {};