import { Signal } from '@angular/core';
export type Breakpoints<K extends string = string> = Record<K, number | string>;
/**
 * Maybe it's a signal, or a plain value, or a getter function
 */
export type MaybeSignalOrGetter<T> = T | Signal<T> | (() => T);
export interface ConfigurableWindow {
    /**
     * Specify a custom `window` instance, e.g. working with iframes or in testing environments.
     */
    window?: Window;
}
export interface ObserveBreakpointsOptions extends ConfigurableWindow {
    /**
     * The query strategy to use for the generated shortcut methods like `.lg`
     *
     * 'min-width' - .lg will be true when the viewport is greater than or equal to the lg breakpoint (mobile-first)
     * 'max-width' - .lg will be true when the viewport is smaller than the xl breakpoint (desktop-first)
     *
     * @default "min-width"
     */
    strategy?: 'min-width' | 'max-width';
}