/**
 * Standard Time Types
 */
export interface StandardTimeInput {
    observedTime: number;
    ratingFactor: number;
    allowancePercent: number;
}
export interface StandardTimeResult {
    normalTime: number;
    standardTime: number;
    allowanceTime: number;
}
/**
 * Time Study Types
 */
export interface TimeStudyInput {
    observations: number[];
    confidence: number;
    accuracy: number;
}
export interface TimeStudyResult {
    mean: number;
    stdDev: number;
    count: number;
    requiredObservations: number;
    isSufficient: boolean;
}
/**
 * Work Sampling Types
 */
export interface WorkSamplingInput {
    totalObservations: number;
    activityObservations: number;
    confidence: number;
    accuracy: number;
}
export interface WorkSamplingResult {
    proportion: number;
    requiredObservations: number;
    isSufficient: boolean;
    marginOfError: number;
}
/**
 * VA/NVA Analysis Types
 */
export type ActivityCategory = 'VA' | 'NVA' | 'NNVA';
export interface Activity {
    name: string;
    duration: number;
    category: ActivityCategory;
}
export interface VaAnalysisInput {
    activities: Activity[];
}
export interface CategorySummary {
    count: number;
    totalDuration: number;
    ratio: number;
}
export interface VaAnalysisResult {
    totalDuration: number;
    va: CategorySummary;
    nva: CategorySummary;
    nnva: CategorySummary;
    vaRatio: number;
}
/**
 * Learning Curve Types
 */
export type LearningCurveModel = 'unit' | 'cumulative';
export interface LearningCurveInput {
    firstUnitTime: number;
    learningRate: number;
    unitNumber: number;
    model?: LearningCurveModel;
}
export interface LearningCurveResult {
    unitTime: number;
    cumulativeAverageTime: number;
    cumulativeTotalTime: number;
    learningExponent: number;
}
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