import type { ParentContextMessage } from "#src/types";
/**
 * Parent conversation context builder.
 *
 * When inherit_context is true, the parent conversation history is prepended
 * as text to the subagent prompt. This mirrors pi-subagents'
 * buildParentContext() approach.
 *
 * Host-neutral: operates only on the plain `ParentContextMessage[]` shape.
 * Extracting that shape out of a specific host's session/context types
 * (e.g. pi's `SessionEntry`/`ExtensionContext`) is the adapter's job — see
 * `src/host/pi/parent-context.ts`.
 */
export interface ParentContextCapture {
    messages: ParentContextMessage[];
    parentContextText: string;
}
/**
 * Build a parent context text block from an array of conversation messages.
 */
export declare function buildParentContext(messages: ParentContextMessage[], prompt: string): string;
/**
 * Format parent context as plain text for diagnostics or alternative wiring.
 */
export declare function formatParentContextText(messages: ParentContextMessage[]): string;
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