import { Column, LocalizedString, Section } from "./types";
export * from "./types";
export { default as DataSource } from "./DataSource";
export { default as ExprValidator } from "./ExprValidator";
export type { ValidateOptions } from "./ExprValidator";
export { default as Schema } from "./Schema";
export * from "./PromiseExprEvaluator";
export { default as ExprUtils } from "./ExprUtils";
export { WeakCache } from "./WeakCache";
/** Cleans expressions. Cleaning means nulling invalid (not just incomplete) expressions if they cannot be auto-fixed. */
export { default as ExprCleaner } from "./ExprCleaner";
export type { CleanExprOptions } from "./ExprCleaner";
export { default as ExprCompiler } from "./ExprCompiler";
export { default as PriorityDataQueue } from "./PriorityDataQueue";
export { default as NullDataSource } from "./NullDataSource";
export { default as ColumnNotFoundException } from "./ColumnNotFoundException";
export * from "./injectTableAliases";
export * from "./extensions";
/** Flatten a list of contents to columns */
export declare function flattenContents(contents: (Column | Section)[]): Column[];
/** Localize a string that is { en: "english word", etc. }. Works with null and plain strings too. */
export declare function localizeString(name: LocalizedString | null | undefined | string, locale?: string): string | null | undefined;