import { EqualityComparer } from "./typing";
export declare class InvariantLocaleStringEqualityComparer implements EqualityComparer<string> {
    static readonly instance: InvariantLocaleStringEqualityComparer;
    equals(x: string, y: string): boolean;
    isSupported(value: unknown): value is string;
}
export declare class InvariantLocaleIgnoreCaseStringEqualityComparer implements EqualityComparer<string> {
    static readonly instance: InvariantLocaleIgnoreCaseStringEqualityComparer;
    equals(x: string, y: string): boolean;
    isSupported(value: unknown): value is string;
}
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