import type { ExtensionRunner } from "@earendil-works/pi-coding-agent";
import type { FabricActionDescriptor, FabricInvocationContext, FabricProvider, FabricProviderListRequest } from "../protocol.js";
import type { DurableShellBridge } from "../jev-fabric/bridge.js";
/** Runs the shell `tool_call` preflight for one command of `sessions.<action>`; throws when a hook blocks it. */
export type ShellPreflight = (input: Record<string, unknown>, context: Pick<FabricInvocationContext, "signal" | "nestedToolCallId" | "parentToolCallId">, action: "open" | "write") => Promise<void>;
/** The `bash` `tool_call` preflight `pi.bash` runs, through the captured catalog's runner. */
export declare const toolCallShellPreflight: (runner: () => ExtensionRunner | undefined, runnerUnavailable?: () => boolean) => ShellPreflight;
/**
 * Interactive children through jev-fabric's serve protocol: the same verbs,
 * records and lifetimes as the jev-fabric CLI and clients (docs/composition.md
 * in jev-fabric). One serve connection per Pi session owns every `session`
 * child; a Jev program's session children end with that program.
 */
export declare class SessionsProvider implements FabricProvider {
    #private;
    readonly bridge: DurableShellBridge;
    readonly options: {
        cwd: string;
        shellOverride: () => boolean;
        preflight?: ShellPreflight;
    };
    readonly name = "sessions";
    readonly description = "Interactive jev-fabric children: open, write, read, wait and stop";
    constructor(bridge: DurableShellBridge, options: {
        cwd: string;
        shellOverride: () => boolean;
        preflight?: ShellPreflight;
    });
    list(request: FabricProviderListRequest): Promise<FabricActionDescriptor[]>;
    describe(name: string): Promise<FabricActionDescriptor | undefined>;
    invoke(name: string, args: Record<string, unknown>, context: FabricInvocationContext): Promise<unknown>;
    invocationEnded(parentToolCallId: string): Promise<void>;
    close(): Promise<void>;
}
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