export declare const FABRIC_PROGRAM_RUN_EVENT = "pi-fabric:program:run:v1";
/** The optional host protocol is mirrored locally: pi-work never imports Fabric. */
export type FabricProgramRunReply = {
    readonly ok: true;
    readonly program: string;
    readonly value: unknown;
    readonly logs: readonly string[];
} | {
    readonly ok: false;
    readonly error: string;
    readonly program?: string;
};
export interface FabricProgramInput {
    readonly task: string;
    readonly name?: string | undefined;
    readonly model?: string | undefined;
    readonly thinking?: string | undefined;
    readonly cwd?: string | undefined;
    readonly worktree?: boolean | undefined;
    readonly writableRoots?: readonly string[] | undefined;
    readonly shell?: "unconfined" | undefined;
    readonly schema?: unknown;
    readonly systemPrompt?: string | undefined;
}
export interface FabricProgramRunRequest {
    readonly ref: string;
    readonly input: FabricProgramInput;
    readonly requirePromoted?: boolean | undefined;
    readonly signal?: AbortSignal | undefined;
    readonly reply: (result: FabricProgramRunReply) => void;
}
export interface FabricProgramEventBus {
    emit(channel: string, data: unknown): void;
}
export type FabricTransportFindingCode = "fabric-unavailable" | "fabric-timeout" | "fabric-aborted" | "fabric-run-failed" | "fabric-emit-failed" | "fabric-request-invalid";
export type FabricTransportResult = Extract<FabricProgramRunReply, {
    ok: true;
}> | {
    readonly ok: false;
    readonly finding: {
        readonly code: FabricTransportFindingCode;
        readonly message: string;
    };
};
export interface FabricTransportOptions {
    readonly ref: string;
    readonly input: FabricProgramInput;
    readonly requirePromoted?: boolean | undefined;
    readonly signal?: AbortSignal | undefined;
    /** Positive milliseconds, capped at ten minutes; default five minutes. */
    readonly timeoutMs?: number;
}
/** A silent listener and an absent listener are indistinguishable on Pi's bus. */
export declare function runFabricProgram(events: FabricProgramEventBus | undefined, options: FabricTransportOptions): Promise<FabricTransportResult>;