import { OnChanges, OnDestroy, SimpleChanges } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { Governor } from '../extension/governor';
export declare class Button implements OnChanges, OnDestroy {
    antBtn: 'primary' | 'dashed' | 'danger' | '' | null;
    color: 'primary' | 'dashed' | 'danger' | null;
    size: 'large' | 'small' | null;
    icon: string | null;
    shape: 'circle' | null;
    loading: boolean;
    ghost: boolean;
    iconOnly: boolean;
    onChanges$: Subject<SimpleChanges>;
    onDestroy$: Subject<void>;
    input$: Observable<{
        antBtn: string;
        color: string;
        size: string;
        icon: string;
        shape: string;
        loading: boolean;
        ghost: boolean;
        iconOnly: boolean;
    }>;
    icon$: Observable<string>;
    hasContent$: Observable<boolean>;
    constructor(prefix: string, governor: Governor);
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
}