import type { BaselineError, BaselineLock, CapabilityBaselineFile } from './types.js';
export declare function computeBaselineHash(file: CapabilityBaselineFile): string;
export declare function verifyLock(file: CapabilityBaselineFile, lock: BaselineLock): {
    readonly ok: true;
} | {
    readonly ok: false;
    readonly error: BaselineError;
};
export declare function writeBaselineFile(input: {
    readonly projectRoot: string;
    readonly file: CapabilityBaselineFile;
}): {
    readonly path: string;
    readonly lockPath: string;
};
export declare function readBaselineFile(projectRoot: string): {
    readonly ok: true;
    readonly file: CapabilityBaselineFile;
    readonly lock: BaselineLock;
    readonly path: string;
    readonly lockPath: string;
} | {
    readonly ok: false;
    readonly error: BaselineError;
};
export declare function historySnapshot(input: {
    readonly projectRoot: string;
    readonly version: string;
}): {
    readonly path: string;
    readonly lockPath: string;
};
export declare function currentPointer(sessionId: string, path: string, projectRoot: string): void;