export { POWERSHELL_STARTUP_PROBE_TIMEOUT_MS } from "./powershell-session-protocol.ts";
export type PlatformShellToolName = "bash" | "powershell";
export interface ShellConfig {
    shell: string;
    args: string[];
}
export declare function getPlatformShellToolName(platform?: NodeJS.Platform): PlatformShellToolName;
/**
 * Ordered PowerShell candidates without launching a disposable interpreter. Persistent sessions
 * validate these candidates with their real long-lived bootstrap, so the normal path pays for one
 * PowerShell process instead of probing one process and then spawning another.
 */
export declare function getPowerShellCandidateConfigs(): ShellConfig[];
/** Resolve the requested shell. Runtime callers omit shellName to select PowerShell on Windows and Bash elsewhere. */
export declare function getShellConfig(customShellPath?: string, shellName?: PlatformShellToolName): ShellConfig;
export declare function getShellEnv(): NodeJS.ProcessEnv;
export declare function trackDetachedChildPid(pid: number): void;
export declare function untrackDetachedChildPid(pid: number): void;
export declare function killTrackedDetachedChildren(): void;
/**
 * Kill a process and all its children (cross-platform).
 *
 * Windows dispatches tree kill via synchronous `taskkill /F /T /PID <pid>`. Callers awaiting
 * full directory/handle release must still synchronize on the child process's terminal `close`
 * event to ensure Node and OS handles have completed teardown before directory removal.
 */
export declare function killProcessTree(pid: number): void;
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