import { Runtime } from '../runtime/Runtime';
import { Environment, EnvironmentLoop, TemplateParams } from './Environment';
export declare class DefaultEnvironment implements Environment {
    readonly runtime: Runtime;
    readonly params: TemplateParams;
    private readonly interceptorsStack;
    private readonly loopsStack;
    private readonly sections;
    private readonly stacks;
    private readonly componentsStack;
    constructor(runtime: Runtime, params: TemplateParams);
    process(input: AsyncIterable<string>): AsyncIterable<string>;
    print(text: any, escaped: boolean): AsyncIterable<string>;
    filter(text: any, name: string, ...args: any[]): PromiseLike<string> | string;
    call(name: string, ...args: any[]): AsyncIterable<string>;
    extends(name: string): AsyncIterable<string>;
    section(name: string, renderer: ((parent: AsyncIterable<string>) => AsyncIterable<string>) | any, isShow: boolean): void | AsyncIterable<string>;
    yield(name: string, def?: string): AsyncIterable<string>;
    pushLoop(data: any): EnvironmentLoop;
    popLoop(): void;
    push(name: string, renderer: () => AsyncIterable<string>, prepend?: boolean): void;
    stack(name: string): AsyncIterable<string>;
    beginComponent(name: string, args?: TemplateParams): void;
    endComponent(): AsyncIterable<string>;
    beginSlot(name: string): void;
    endSlot(): void;
}