export interface Step {
    menuId: string;
    step: 'min' | 'hidden';
}
export interface AppliedStep extends Step {
    width: number;
}
/**
 * Build the ordered collapse sequence.
 * All min steps come first (in menuId order), then all hidden steps (in menuId order).
 * A menuId only gets a min step if it has a minStateWidth.
 * A menuId only gets a hidden step if it's represented in the menu.
 */
export declare function buildOrderedSteps(menuIds: string[], inMenuIds: Set<string>, minWidthMenuIds: Set<string>): Step[];
/**
 * Compute the next appliedSteps state given a resize event.
 * On overflow: push the next step from orderedSteps.
 * On space available: pop the last step if the container is wider than when it was applied.
 */
export declare function computeNextSteps(prev: AppliedStep[], scrollWidth: number, clientWidth: number, orderedSteps: Step[]): AppliedStep[];
/**
 * Derive the hiddenMap from appliedSteps.
 * Later steps for the same menuId overwrite earlier ones (e.g., min → hidden).
 *
 * When `snap` is true, states are expanded:
 * - If any item is 'min', all items in `minWidthMenuIds` are set to 'min'.
 * - If any item is 'hidden', all items in `inMenuIds` are set to 'hidden'.
 */
export declare function deriveHiddenMap(appliedSteps: AppliedStep[], snap?: boolean, inMenuIds?: Set<string>, minWidthMenuIds?: Set<string>): Map<string, 'min' | 'hidden'>;
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