import type { SessionState } from "../../session/types";
export interface HookLogger {
    info(message: string): void;
    warn(message: string): void;
    error(message: string): void;
    setContext(key: string, value: string): void;
}
export declare function createHookLogger(hookName: string): HookLogger;
export declare function readStdin(): Promise<string>;
export declare function parseHookInput(raw: string): Record<string, unknown>;
export declare function safeStr(obj: Record<string, unknown>, key: string): string;
export declare function countPendingByKind(records: Array<{
    kind?: string | null;
}>): Record<string, number>;
export declare function isOnlyBreakpoints(pendingByKind: Record<string, number>): boolean;
export declare function appendStopHookEvent(runDir: string, data: {
    sessionId: string;
    iteration: number;
    decision: "approve" | "block";
    reason: string;
    runState: string;
    pendingKinds: string;
    hasPromise: boolean;
    effectId?: string;
    hookBackoffFireCount?: number;
    hookBackoffDelaySeconds?: number;
    hookBackoffInterrupted?: boolean;
}, harness?: string): Promise<void>;
export declare function markSessionInactive(filePath: string, state: SessionState, prompt: string, reason: string): Promise<void>;
export declare function initializeSessionState(sessionId: string, stateDir: string, options?: {
    maxIterations?: number;
    verbose?: boolean;
    log?: HookLogger;
}): Promise<{
    persisted: boolean;
    filePath: string;
}>;
export interface IterationLimitResult {
    shouldExit: boolean;
    reason?: string;
}
export declare function checkIterationLimits(state: SessionState, maxIterations: number, _options?: {
    minIterationMs?: number;
    iterationTimes?: number[];
}): IterationLimitResult;
export declare function buildFollowupMessage(nextIteration: number, runId: string, completionProof: string | undefined, runState: string, pendingKinds: string, prompt: string): string;
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