import type { CliPermissionMode } from "../config/schema.js";
import type { BridgeChunk, BridgeOptions, BridgeResult, CLIBridge } from "./types.js";
export declare abstract class BaseCLIBridge implements CLIBridge {
    readonly name: string;
    protected model: string;
    protected binaryPath: string;
    protected permissionMode: CliPermissionMode;
    constructor(opts: {
        name: string;
        model: string;
        binaryPath: string;
        permissionMode?: CliPermissionMode;
    });
    protected buildSpawnEnv(): NodeJS.ProcessEnv;
    available(): Promise<boolean>;
    protected spawnAndCollect(args: string[], signal?: AbortSignal): Promise<{
        stdout: string;
        stderr: string;
        exitCode: number;
    }>;
    abstract execute(prompt: string, options?: BridgeOptions): Promise<BridgeResult>;
    abstract stream(prompt: string, options?: BridgeOptions): AsyncIterable<BridgeChunk>;
}
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