import type { Warning } from "../types/async.js";
import type { Context } from "../types/rule.js";
import type { AsyncContext } from "../utils/context.js";
export type UnknownClass = string;
export type GetUnknownClasses = (ctx: AsyncContext, classes: string[]) => {
    unknownClasses: UnknownClass[];
    warnings: (Warning | undefined)[];
};
export declare let getUnknownClasses: GetUnknownClasses;
export declare function createGetUnknownClasses(ctx: Context): GetUnknownClasses;
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