export declare const collapseClassNamePrefix: "os-shared-Collapse";
export declare const collapseClassNames: {
    readonly root: "os-shared-Collapse-root";
};
export type CollapseClassNames = (typeof collapseClassNames)[keyof typeof collapseClassNames];
export declare const collapseDefaultUnmountOnExit = true;
export declare const collapseDefaultTimeoutMs = 300;