import { StylesContextPerformance } from '@fluentui/react-bindings';
import * as React from 'react';
export declare type TelemetryPosition = 'top-left' | 'top-right' | 'bottom-left' | 'bottom-right';
export declare type TelemetryTabs = 'telemetry' | 'performance-flags';
export declare type TelemetryTableSort = {
    column: string;
    direction: 'asc' | 'desc';
};
export declare type TelemetryTableExpandNames = 'styles' | 'total';
export declare type TelemetryAction = {
    name: keyof StylesContextPerformance;
    type: 'SET_PERFORMANCE_FLAG';
    value: boolean;
} | {
    type: 'SET_TABLE_EXPAND';
    value: boolean;
    name: TelemetryTableExpandNames;
} | {
    type: 'SET_TABLE_COMPONENT_FILTER';
    value: string | undefined;
} | {
    type: 'SET_TABLE_SORT';
    value: TelemetryTableSort | undefined;
} | {
    type: 'SET_TELEMETRY_TAB';
    tab: TelemetryTabs;
} | {
    type: 'SET_POSITION';
    value: TelemetryPosition;
} | {
    type: 'SET_VISIBILITY';
    value: boolean;
};
export declare type TelemetryState = {
    activeTab: TelemetryTabs;
    performanceFlags: StylesContextPerformance;
    tableComponentFilter: string | undefined;
    tableSort: TelemetryTableSort | undefined;
    tableExpand: Record<TelemetryTableExpandNames, boolean>;
    position: TelemetryPosition;
    visible: boolean;
};
export declare function useTelemetryState(): [TelemetryState, React.Dispatch<TelemetryAction>];