import { Signal } from '../signals.js';
declare global {
    namespace ODX.Breakpoints {
        interface Config {
            sm: true;
            md: true;
            lg: true;
            xl: true;
        }
    }
}
type FilteredKeys<T extends object> = {
    [K in keyof T as T[K] extends true ? K : never]: T[K];
};
export type BreakpointOperator = '<' | '<=' | '>=' | '>';
export interface BreakpointConfig {
    name: keyof FilteredKeys<ODX.Breakpoints.Config>;
    min: number;
    max: number;
    customQuery?: string;
}
export interface Breakpoint extends BreakpointConfig {
    id: BreakpointConfig['name'] | `${BreakpointOperator}${BreakpointConfig['name']}`;
    query: string;
    operator?: BreakpointOperator;
}
export declare const registeredBreakpoints: ReadonlyMap<Breakpoint['id'], Breakpoint>;
export declare const breakpointAttribute = "odx-breakpoint";
export declare function buildBreakpoint(breakpoint: BreakpointConfig, operator?: BreakpointOperator): Breakpoint;
export declare function expandBreakpoints(...breakpoints: BreakpointConfig[]): Breakpoint[];
export declare function observeBreakpoint(id: Breakpoint['id'], initialValue?: boolean): Signal<Breakpoint & {
    matches: boolean;
}>;
export declare function createBreakpointUpdater(breakpoints: Breakpoint[], update?: (target: HTMLElement, change: Breakpoint & {
    matches: boolean;
}) => void): () => void;
export {};
//# sourceMappingURL=breakpoint.d.ts.map