/// <reference types="react" />
import * as moment from 'moment';
import * as React from 'react';
import { Sizes } from 'react-bootstrap';
import { SyntheticEvent } from 'react';
export declare type TimeSpanInputUnit = moment.unitOfTime.Base;
export interface TimeSpanInputProps {
    bsClass?: string;
    bsSize?: Sizes;
    controlId?: string;
    duration?: moment.Duration;
    units?: TimeSpanInputUnit[];
    initialUnit?: TimeSpanInputUnit;
    initialDuration?: moment.Duration;
    precision?: number;
    reparseButton?: boolean;
    onMomentDurationChanged?: (duration: moment.Duration | undefined, unit: TimeSpanInputUnit) => void;
    onMomentUnitChanged?: (unit: TimeSpanInputUnit, duration: moment.Duration | undefined) => void;
}
export interface TimeSpanInputComponentProps extends React.HTMLProps<any>, TimeSpanInputProps {
}
export interface TimeSpanInputState {
    unit: TimeSpanInputUnit;
    input: string;
    duration?: moment.Duration;
    error?: string;
}
export declare class TimeSpanInput extends React.Component<TimeSpanInputComponentProps, TimeSpanInputState> {
    static DefaultPrecision: number;
    static InvalidFormatError: string;
    static InvalidAmountError: string;
    static InvalidUnitError: string;
    static defaultProps: Partial<TimeSpanInputProps>;
    static formatDuration(duration: moment.Duration | undefined, unit: TimeSpanInputUnit, precision?: number): string;
    static parseDuration(state: TimeSpanInputState, props: TimeSpanInputProps): TimeSpanInputState;
    constructor(props: any);
    componentDidUpdate(prevProps: Readonly<TimeSpanInputComponentProps>, prevState: Readonly<TimeSpanInputState>, prevContext: any): void;
    render(): JSX.Element;
    protected renderFormInput(): JSX.Element;
    protected renderTextInput(): React.ReactElement<any>;
    protected renderButtons(): JSX.Element;
    protected renderDropdown(): JSX.Element;
    protected renderHelp(): "" | JSX.Element | undefined;
    protected handleChangeUnit(unit: TimeSpanInputUnit): void;
    private handleReparse();
    protected handleIncreaseDuration(): void;
    protected handleDecreaseDuration(): void;
    protected handleInput(e: SyntheticEvent<HTMLInputElement>): void;
    protected handleParse(): void;
    protected cloneDurationFromState(state: TimeSpanInputState): moment.Duration;
    protected adjustDurationFromState(state: TimeSpanInputState, amount: number): moment.Duration;
}