export { TagKind, type BranchName, type Parser, type TagDefinition, type TagDefinitionBlock, type TagDefinitionHybrid, type TagDefinitionRaw, type TagDefinitionTag, type LiquidLine, type LiquidLineContext, } from './tag-definitions';
import type { TagDefinition } from './tag-definitions';
export declare class Environment {
    private builtins;
    private custom;
    private static _default;
    constructor(builtins?: Record<string, TagDefinition>);
    tagForName(name: string): TagDefinition | undefined;
    registerTag(name: string, definition: TagDefinition): void;
    static default(): Environment;
    /** Reset singleton — for testing only */
    static resetDefault(): void;
}