import type { SprintRecord, VelocityLesson } from '../types/index.js';
export declare function sprintPath(cwd: string): string;
export declare function lessonsPath(cwd: string): string;
export declare function startSprint(cwd: string, opts: {
    sprintId: string;
    startDate: string;
    endDate: string;
    capacityDays: number;
}): SprintRecord;
export declare function closeSprint(cwd: string, opts: {
    sprintId: string;
    committedPoints: number;
}): SprintRecord;
export declare function velocityTrend(cwd: string, limit: number): SprintRecord[];
export declare function checkAndRecordBiasLessons(cwd: string): VelocityLesson[];