import type { PageBrowserGraphContribution } from '../../../types/public-types.js';
export type GroupedGraphBuildPlanInstance = {
    routeFile: string;
    dependencyInstanceKey: string;
    contribution?: PageBrowserGraphContribution;
};
export type GroupedGraphBuildPlan = {
    integrationName: string;
    planKey: string;
    instances: ReadonlyArray<GroupedGraphBuildPlanInstance>;
};
/**
 * Builds a stable grouped-cache identity for one integration static export plan.
 */
export declare function createGroupedGraphBuildPlanKey(integrationName: string, instances: ReadonlyArray<Pick<GroupedGraphBuildPlanInstance, 'routeFile' | 'dependencyInstanceKey'>>): string;