/**
 * Copyright (c) 2020 BlockDev AG
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
/**
 * Indicates proposal level of quality.
 */
export declare enum QualityLevel {
    LOW = 0,
    MEDIUM = 1,
    HIGH = 2
}
export declare const qualityLevel: (q: {
    quality?: number;
} | undefined) => QualityLevel | undefined;