export declare function getPiConfigPath(env?: NodeJS.ProcessEnv): string;
export declare function readConfiguredPiAgentDir(env?: NodeJS.ProcessEnv): string | null;
/**
 * Resolve the Pi agent directory.
 *
 * Mirrors the logic of Pi SDK's `getAgentDir()` (env → default) but adds
 * a persistence layer via `~/.config/signet/pi.json` so the CLI remembers
 * the path across sessions even when the env var is unset.
 */
export declare function resolvePiAgentDir(env?: NodeJS.ProcessEnv): string;
export declare function resolvePiExtensionsDir(env?: NodeJS.ProcessEnv): string;
export declare function listPiAgentDirCandidates(env?: NodeJS.ProcessEnv): readonly string[];
export declare function writeConfiguredPiAgentDir(pathValue: string, env?: NodeJS.ProcessEnv): string;
export declare function clearConfiguredPiAgentDir(env?: NodeJS.ProcessEnv): void;
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