import type { Action } from '../app-action-type.js';
import type { State } from '../app-state.js';
declare const panelPickerActionTypes: readonly ["statuslineOpen", "statuslineClose", "statuslineFieldMove", "statuslineFieldSet", "statuslineToggle", "statuslineHint", "statuslineChipShow", "statuslineChipExpire", "statuslineVisibleChipsSync", "pluginPickerOpen", "pluginPickerClose", "pluginPickerMove", "pluginPickerSetItems", "pluginPickerBusy", "pluginPickerHint", "mcpPickerOpen", "mcpPickerClose", "mcpPickerMove", "mcpPickerSetItems", "mcpPickerBusy", "mcpPickerHint", "toolsPickerOpen", "toolsPickerClose", "toolsPickerMove", "toolsPickerSetItems", "toolsPickerToggle", "toolsPickerBusy", "toolsPickerHint", "toolsPickerFilter", "brainOpen", "brainClose", "brainMove", "brainRiskChange", "brainSetLog", "brainHint", "brainSettingsLoaded", "brainView", "brainRowMove", "brainBusy", "helpOpen", "helpClose", "helpMove", "helpFilter", "helpHint", "shadowOpen", "shadowClose", "shadowUpdate", "shadowHint"];
type PanelPickerAction = Extract<Action, {
    type: (typeof panelPickerActionTypes)[number];
}>;
export declare function isPanelPickerAction(action: Action): action is PanelPickerAction;
/** Reduces statusline, extension, brain, help, and shadow picker panels. */
export declare function reducePanelPickers(state: State, action: PanelPickerAction): State;
export {};
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