import * as unhead_types from 'unhead/types';
import { UseHeadInput, HeadEntryOptions, ActiveHeadEntry, HeadSafe, UseScriptInput, UseScriptOptions, UseScriptReturn, UseSeoMetaInput, Unhead } from 'unhead/types';
import * as i0 from '@angular/core';
import { InjectionToken, OnDestroy } from '@angular/core';
export { defineLink, defineScript } from 'unhead';

declare function useUnhead(): Unhead<unhead_types.ResolvableHead, unknown>;
declare function useHead(input?: UseHeadInput, options?: HeadEntryOptions): ActiveHeadEntry<UseHeadInput>;
declare function useHeadSafe(input?: HeadSafe, options?: HeadEntryOptions): ActiveHeadEntry<HeadSafe>;
declare function useSeoMeta(input?: UseSeoMetaInput, options?: HeadEntryOptions): ActiveHeadEntry<UseSeoMetaInput>;
declare function useScript<T extends Record<symbol | string, any> = Record<symbol | string, any>>(_input: UseScriptInput, _options?: UseScriptOptions<T>): UseScriptReturn<T>;

declare const headSymbol = "usehead";
declare const UnheadInjectionToken: InjectionToken<Unhead<unhead_types.ResolvableHead, unknown>>;

interface NodeProps {
    type: string | symbol;
    props?: Record<string, any>;
    children?: NodeProps[];
}
declare class Head implements OnDestroy {
    private headEntry;
    updateHead(nodes: NodeProps[]): void;
    private transformNodes;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<Head, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<Head, "unhead-head", never, {}, {}, never, ["*"], true, never>;
}

export { Head, UnheadInjectionToken, headSymbol, useHead, useHeadSafe, useScript, useSeoMeta, useUnhead };
//# sourceMappingURL=unhead-angular.d.ts.map