export declare class Severity {
    static readonly ERROR: Severity;
    static readonly WARNING: Severity;
    static readonly INFO: Severity;
    readonly level: number;
    readonly name: string;
    private constructor();
    /**
     * Resolve a severity by its config name ('error' | 'warning' | 'info'),
     * or undefined for an unrecognised value.
     */
    static fromName(name: string): Severity | undefined;
    compareTo(other: Severity): number;
    toString(): string;
    isAtLeast(minimum: Severity): boolean;
}
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