import { ConditionBlock } from '../../ast/entity/condition-block';
import { SourceContext } from '../../ast/entity/source';
export declare abstract class LoopBlock extends ConditionBlock {
    reverse?: boolean;
    abstract buildContext(context: SourceContext, position: number, runPosition: number): SourceContext;
    execute(context: SourceContext): void;
    abstract getLength(context: SourceContext): number;
}