import * as ast from "../grammar/ast";
import { Diagnostic } from "../diagnostic";
import { RuleFactory } from "../linting-rule";
export declare const unknownVariable: ((level: import("../diagnostic").DiagnosticSeverity, message: string, source: import("../semantics").InputSource, range: ast.SourceRange) => Diagnostic) & {
    code: import("../diagnostic").DiagnosticCode;
};
export declare const no_unknown_variables: RuleFactory;
export default no_unknown_variables;