/**
 * Describes the match strategy when matching types
 * * `default`     : `extends->`
 * * `contains->`  : X contains   Y ([[Contains]]<X, Y>)
 * * `extends->`   : X extends    Y ([[Extends]]<X, Y>)
 * * `<-contains`  : Y contains   X ([[Contains]]<Y, X>)
 * * `<-extends`   : Y extends    X ([[Extends]]<Y, X>)
 * * `equals`      : X equals     Y (([[Equals]]<X, Y>))
 */
export declare type Match = 'default' | 'contains->' | 'extends->' | '<-contains' | '<-extends' | 'equals';