import { type QueryVariableModel, type CustomVariableModel } from '@grafana/data'; export declare function interpolateQueryExpr(value: string | string[] | undefined, variable: QueryVariableModel | CustomVariableModel): string | string[]; export declare function prometheusRegularEscape(value: T): string | T; export declare function prometheusSpecialRegexEscape(value: T): string | T; export declare function escapeLabelValueInExactSelector(labelValue: string): string; export declare function escapeLabelValueInRegexSelector(labelValue: string): string;