import { ValidationError } from "./ValidationResult";
export default class Stack {
    private instance;
    private schemas;
    constructor();
    schemaDepth(): number;
    pushInstanceToken(token: string): void;
    popInstanceToken(): void;
    pushSchema(uri: string, tokens: string[]): void;
    popSchema(): void;
    pushSchemaToken(token: string): void;
    popSchemaToken(): void;
    error(): ValidationError;
}