import { ComponentMeta, CssPartMeta, CssPropMeta, DocTagMeta, EventMeta, HeritageMeta, MethodMeta, PropMeta } from '../plugins/ComponentMeta';
export declare type MergeableComponentMetaPart = PropMeta | DocTagMeta | MethodMeta | EventMeta | CssPropMeta | CssPartMeta | ComponentMeta;
/**
 * Merges `x` into `y` in-place. `y` will take precedence when meta exists in both `x` and `y`.
 */
export declare function mergeComponentMeta(x: Partial<ComponentMeta>, y: ComponentMeta): ComponentMeta;
export declare function sortComponentMeta(components: ComponentMeta[]): ComponentMeta[];
export declare function traverseHeritageTree(heritages: HeritageMeta[], callback: (heritage: HeritageMeta) => void): void;
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