import { Schema as S } from 'effect';
import type { Html } from '../../html/index.js';
import * as Mount from '../../mount/index.js';
export declare const Model: S.Struct<{
    readonly isOpen: S.Boolean;
    readonly measuredWidth: S.OptionFromNullOr<S.Number>;
    readonly count: S.Number;
}>;
export type Model = typeof Model.Type;
export declare const ClickedToggle: import("../../schema/index.js").CallableTaggedStruct<"ClickedToggle", {}>;
export declare const MeasuredPanel: import("../../schema/index.js").CallableTaggedStruct<"MeasuredPanel", {
    width: S.Number;
}>;
export declare const CompletedFocusButton: import("../../schema/index.js").CallableTaggedStruct<"CompletedFocusButton", {}>;
export declare const FailedMountSidebar: import("../../schema/index.js").CallableTaggedStruct<"FailedMountSidebar", {
    reason: S.String;
}>;
export declare const ClickedIncrement: import("../../schema/index.js").CallableTaggedStruct<"ClickedIncrement", {}>;
export declare const ScrolledTo: import("../../schema/index.js").CallableTaggedStruct<"ScrolledTo", {
    offset: S.Number;
}>;
export declare const Message: S.Union<readonly [import("../../schema/index.js").CallableTaggedStruct<"ClickedToggle", {}>, import("../../schema/index.js").CallableTaggedStruct<"MeasuredPanel", {
    width: S.Number;
}>, import("../../schema/index.js").CallableTaggedStruct<"CompletedFocusButton", {}>, import("../../schema/index.js").CallableTaggedStruct<"FailedMountSidebar", {
    reason: S.String;
}>, import("../../schema/index.js").CallableTaggedStruct<"ClickedIncrement", {}>, import("../../schema/index.js").CallableTaggedStruct<"ScrolledTo", {
    offset: S.Number;
}>]>;
export type Message = typeof Message.Type;
export declare const MeasurePanel: Mount.MountDefinitionNoArgs<"MeasurePanel", S.Struct.ReadonlySide<{
    readonly _tag: S.tag<"MeasuredPanel">;
    width: S.Number;
}, "Type"> | S.Struct.ReadonlySide<{
    readonly _tag: S.tag<"FailedMountSidebar">;
    reason: S.String;
}, "Type">>;
export declare const FocusButton: Mount.MountDefinitionNoArgs<"FocusButton", S.Struct.ReadonlySide<{
    readonly _tag: S.tag<"CompletedFocusButton">;
}, "Type">>;
export declare const ScrollList: Mount.MountDefinitionWithArgs<"ScrollList", {
    offset: S.Number;
}, S.Struct.ReadonlySide<{
    readonly _tag: S.tag<"ScrolledTo">;
    offset: S.Number;
}, "Type">>;
export declare const initialModel: Model;
export declare const update: (model: Model, message: Message) => readonly [Model, ReadonlyArray<never>];
export declare const view: (model: Model) => Html;
/** A view that always renders both the toggle button and the panel, exposing
 *  two MeasurePanel mounts simultaneously so we can exercise the (name,
 *  occurrence) tracking. */
export declare const twoPanelView: (model: Model) => Html;
/** A view that renders an arg-bearing Mount so Scene tests can exercise
 *  Instance-based mount matching (matcher's args structurally equal the
 *  pending Mount's args). The chosen `offset` flows through `ScrollList`'s
 *  args and is observable on the rendered Mount marker. */
export declare const scrollListView: (offset: number) => Html;
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