/**
 * ChimpHands CI git: base branch (parent) vs agent branch (testchimp-* only).
 */
export declare const BASE_BRANCH_PREFIX = "Base branch: ";
/** @deprecated Legacy platform line; still parsed for in-flight sessions. */
export declare const LEGACY_WORKING_BRANCH_PREFIX = "Working branch: ";
export declare function isAgentBranchName(branch: string): boolean;
export declare function parseBaseBranchFromPrompt(prompt: string): string | undefined;
export declare function resolveSessionBaseBranch(prompt: string | undefined, envBaseBranch?: string): string | undefined;
export declare function buildAgentBranchName(sessionId: string): string;
type GitRunResult = {
    code: number;
    out: string;
    err: string;
};
export declare function runGit(args: string[], env?: NodeJS.ProcessEnv): Promise<GitRunResult>;
export type EnsureAgentBranchOptions = {
    sessionId: string;
    baseBranch?: string;
    /** Agent branch already reported for this session (bootstrap). */
    existingAgentBranch?: string;
};
export type EnsureAgentBranchResult = {
    agentBranch: string;
    baseBranch?: string;
    created: boolean;
};
/**
 * Ensures the runner is on a published testchimp-* agent branch.
 * When checked out on the user's base branch, creates testchimp-chimphands-<session> from it.
 */
export declare function ensureAgentSessionBranch(opts: EnsureAgentBranchOptions): Promise<EnsureAgentBranchResult>;
export type EnsurePullRequestOptions = {
    agentBranch: string;
    baseBranch: string;
    title?: string;
    body?: string;
};
/** Opens a PR from agent branch → base branch when none exists. Returns PR URL if created/found. */
export declare function ensurePullRequest(opts: EnsurePullRequestOptions): Promise<string | undefined>;
export declare function isPrOnlyMode(): boolean;
export {};