export type ContextAction = "published" | "retained" | "removed";
/** Safe display-source metadata retained for headless consumers. */
export type ContextSourceInfo = Record<string, unknown>;
export interface ContextProjectionData {
    context_kind: string;
    context_key: string;
    context_name: string;
    context_order: number;
    context_action: ContextAction;
    context_revision: string;
    display_title?: string | null;
    display_summary?: string | null;
    sources: ContextSourceInfo[];
}
export interface ContextProjectionFields {
    context_kind?: string | null;
    context_key?: string | null;
    context_name?: string | null;
    context_order?: number | null;
    context_action?: ContextAction | null;
    context_revision?: string | null;
    display_title?: string | null;
    display_summary?: string | null;
    sources?: ContextSourceInfo[] | null;
}
export interface ContextDisplayState {
    title: string;
    summary: string;
    detail: string;
    isRemoved: boolean;
}
export interface ContextGroupDisplayState {
    title: string;
    summary: string;
    count: number;
}
export declare function contextProjectionData(fields: ContextProjectionFields): ContextProjectionData | null;
/** The single status-to-display mapping used by both React chat surfaces. */
export declare function getContextDisplayState(context: ContextProjectionData): ContextDisplayState;
/**
 * 把一段渲染序列里连续的 Context 归成组。
 *
 * 入参是序列里每一项的 context kind，非 Context 项传 null；返回每一段连续
 * Context 的下标数组。纯下标运算，不认识任何 UI 类型，所以调试日志、Lite 视图
 * 和 SDK 卡片可以共用同一份分组判定，各自只管排版。
 */
export declare function groupAdjacentContextRuns(kinds: readonly (string | null)[]): readonly (readonly number[])[];
/** 折叠行的文案。展开后才逐条显示各自的标题与状态。 */
export declare function getContextGroupDisplayState(contexts: readonly ContextProjectionData[]): ContextGroupDisplayState;