import { RomanNumeral } from './roman-numeral';
import { Scale } from '../scale';
import { Rule, MatchingRule } from './rule';
export interface ProgressionRule extends Rule {
    source: MatchingRule;
    target: MatchingRule;
}
export declare namespace Progression {
    namespace Shared {
        const basic: ProgressionRule[];
        const basicInversions: ProgressionRule[];
        const dominantSevenths: ProgressionRule[];
        const basicPredominant: ProgressionRule[];
        const submediant: ProgressionRule[];
        const subdominantSevenths: ProgressionRule[];
        const tonicSubstitutes: ProgressionRule[];
        const mediant: ProgressionRule[];
        const neopolitan: ProgressionRule[];
    }
    const defaultProgressions: ProgressionRule[];
    function matchingProgressions(scale: Scale, previous: RomanNumeral, progressions?: ProgressionRule[]): Generator<RomanNumeral>;
}