import { Items } from './tokens.js';
import { Pos } from './position.js';
import { LaxReadOptions } from './reader.js';
import * as M from './matcher.js';
export type Substitution = Items | string;
export type TemplateFunction = (consts: TemplateStringsArray, ...vars: Substitution[]) => Items;
export declare class Templates {
    readonly sources: {
        [name: string]: string;
    };
    readonly defaultPos: Pos;
    recordSources: boolean;
    readonly readOptions: LaxReadOptions;
    constructor(defaultPos?: Pos, readOptions?: LaxReadOptions);
    template(start0?: Pos | string, context?: M.ItemContext): TemplateFunction;
    sourceFor(name: string): string | undefined;
}
export declare function joinItems(itemss: Items[], separator0?: Substitution, readOptions?: LaxReadOptions): Items;
export declare function commaJoin(itemss: Items[]): Items;
export declare const anonymousTemplate: TemplateFunction;