import type * as ts from 'typescript';
export interface DeclarationListCacheElement {
    declarations: ts.Declaration[];
    key: string;
}
export declare class DeclarationListCache {
    private _cache;
    constructor();
    set(declarations: ts.Declaration[], key: string): void;
    get(declarations: ts.Declaration[]): string | undefined;
    has(declarations: ts.Declaration[]): boolean;
    private _find;
}