/**
 * postgres-mcp - Statistics Output Schemas
 *
 * Output validation schemas for statistical analysis results.
 */
import { z } from "zod";
export declare const DescriptiveOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    column: z.ZodOptional<z.ZodString>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        statistics: z.ZodObject<{
            count: z.ZodNumber;
            min: z.ZodNullable<z.ZodNumber>;
            max: z.ZodNullable<z.ZodNumber>;
            avg: z.ZodNullable<z.ZodNumber>;
            mean: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
            stddev: z.ZodNullable<z.ZodNumber>;
            variance: z.ZodNullable<z.ZodNumber>;
            sum: z.ZodNullable<z.ZodNumber>;
            mode: z.ZodNullable<z.ZodNumber>;
        }, z.core.$strip>;
    }, z.core.$strip>>>;
    statistics: z.ZodOptional<z.ZodObject<{
        count: z.ZodNumber;
        min: z.ZodNullable<z.ZodNumber>;
        max: z.ZodNullable<z.ZodNumber>;
        avg: z.ZodNullable<z.ZodNumber>;
        mean: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
        stddev: z.ZodNullable<z.ZodNumber>;
        variance: z.ZodNullable<z.ZodNumber>;
        sum: z.ZodNullable<z.ZodNumber>;
        mode: z.ZodNullable<z.ZodNumber>;
    }, z.core.$strip>>;
    count: z.ZodOptional<z.ZodNumber>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_percentiles
 */
export declare const PercentilesOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    column: z.ZodOptional<z.ZodString>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        percentiles: z.ZodRecord<z.ZodString, z.ZodNullable<z.ZodNumber>>;
    }, z.core.$strip>>>;
    percentiles: z.ZodOptional<z.ZodRecord<z.ZodString, z.ZodNullable<z.ZodNumber>>>;
    count: z.ZodOptional<z.ZodNumber>;
    warning: z.ZodOptional<z.ZodString>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_correlation
 */
export declare const CorrelationOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    columns: z.ZodOptional<z.ZodArray<z.ZodString>>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        correlation: z.ZodNullable<z.ZodNumber>;
        interpretation: z.ZodString;
        covariancePopulation: z.ZodNullable<z.ZodNumber>;
        covarianceSample: z.ZodNullable<z.ZodNumber>;
        sampleSize: z.ZodNumber;
    }, z.core.$strip>>>;
    count: z.ZodOptional<z.ZodNumber>;
    note: z.ZodOptional<z.ZodString>;
    correlation: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    interpretation: z.ZodOptional<z.ZodString>;
    covariancePopulation: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    covarianceSample: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    sampleSize: z.ZodOptional<z.ZodNumber>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_regression
 */
export declare const RegressionOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    xColumn: z.ZodOptional<z.ZodString>;
    yColumn: z.ZodOptional<z.ZodString>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        regression: z.ZodObject<{
            slope: z.ZodNullable<z.ZodNumber>;
            intercept: z.ZodNullable<z.ZodNumber>;
            rSquared: z.ZodNullable<z.ZodNumber>;
            equation: z.ZodString;
            avgX: z.ZodNullable<z.ZodNumber>;
            avgY: z.ZodNullable<z.ZodNumber>;
            sampleSize: z.ZodNumber;
        }, z.core.$strip>;
    }, z.core.$strip>>>;
    regression: z.ZodOptional<z.ZodObject<{
        slope: z.ZodNullable<z.ZodNumber>;
        intercept: z.ZodNullable<z.ZodNumber>;
        rSquared: z.ZodNullable<z.ZodNumber>;
        equation: z.ZodString;
        avgX: z.ZodNullable<z.ZodNumber>;
        avgY: z.ZodNullable<z.ZodNumber>;
        sampleSize: z.ZodNumber;
    }, z.core.$strip>>;
    count: z.ZodOptional<z.ZodNumber>;
    note: z.ZodOptional<z.ZodString>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_time_series
 */
export declare const TimeSeriesOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    valueColumn: z.ZodOptional<z.ZodString>;
    timeColumn: z.ZodOptional<z.ZodString>;
    interval: z.ZodOptional<z.ZodString>;
    aggregation: z.ZodOptional<z.ZodString>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        buckets: z.ZodArray<z.ZodObject<{
            timeBucket: z.ZodString;
            value: z.ZodNumber;
            count: z.ZodNumber;
        }, z.core.$strip>>;
    }, z.core.$strip>>>;
    buckets: z.ZodOptional<z.ZodArray<z.ZodObject<{
        timeBucket: z.ZodString;
        value: z.ZodNumber;
        count: z.ZodNumber;
    }, z.core.$strip>>>;
    count: z.ZodOptional<z.ZodNumber>;
    truncated: z.ZodOptional<z.ZodBoolean>;
    totalCount: z.ZodOptional<z.ZodNumber>;
    totalGroupCount: z.ZodOptional<z.ZodNumber>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_distribution
 */
export declare const DistributionOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    column: z.ZodOptional<z.ZodString>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        range: z.ZodObject<{
            min: z.ZodNumber;
            max: z.ZodNumber;
        }, z.core.$strip>;
        bucketWidth: z.ZodNumber;
        skewness: z.ZodNullable<z.ZodNumber>;
        kurtosis: z.ZodNullable<z.ZodNumber>;
        histogram: z.ZodArray<z.ZodObject<{
            bucket: z.ZodNumber;
            frequency: z.ZodNumber;
            rangeMin: z.ZodNumber;
            rangeMax: z.ZodNumber;
        }, z.core.$strip>>;
    }, z.core.$strip>>>;
    range: z.ZodOptional<z.ZodObject<{
        min: z.ZodNumber;
        max: z.ZodNumber;
    }, z.core.$strip>>;
    bucketWidth: z.ZodOptional<z.ZodNumber>;
    skewness: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    kurtosis: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
    histogram: z.ZodOptional<z.ZodArray<z.ZodObject<{
        bucket: z.ZodNumber;
        frequency: z.ZodNumber;
        rangeMin: z.ZodNumber;
        rangeMax: z.ZodNumber;
    }, z.core.$strip>>>;
    count: z.ZodOptional<z.ZodNumber>;
    truncated: z.ZodOptional<z.ZodBoolean>;
    totalGroupCount: z.ZodOptional<z.ZodNumber>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_hypothesis
 */
export declare const HypothesisOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    column: z.ZodOptional<z.ZodString>;
    testType: z.ZodOptional<z.ZodString>;
    hypothesizedMean: z.ZodOptional<z.ZodNumber>;
    groupBy: z.ZodOptional<z.ZodString>;
    groups: z.ZodOptional<z.ZodArray<z.ZodObject<{
        groupKey: z.ZodUnknown;
        results: z.ZodObject<{
            sampleSize: z.ZodNumber;
            sampleMean: z.ZodOptional<z.ZodNumber>;
            sampleStdDev: z.ZodOptional<z.ZodNumber>;
            populationStdDev: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
            standardError: z.ZodOptional<z.ZodNumber>;
            testStatistic: z.ZodOptional<z.ZodNumber>;
            pValue: z.ZodOptional<z.ZodNumber>;
            degreesOfFreedom: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
            interpretation: z.ZodOptional<z.ZodString>;
            note: z.ZodOptional<z.ZodString>;
            error: z.ZodOptional<z.ZodString>;
        }, z.core.$strip>;
    }, z.core.$strip>>>;
    results: z.ZodOptional<z.ZodObject<{
        sampleSize: z.ZodNumber;
        sampleMean: z.ZodOptional<z.ZodNumber>;
        sampleStdDev: z.ZodOptional<z.ZodNumber>;
        populationStdDev: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
        standardError: z.ZodOptional<z.ZodNumber>;
        testStatistic: z.ZodOptional<z.ZodNumber>;
        pValue: z.ZodOptional<z.ZodNumber>;
        degreesOfFreedom: z.ZodOptional<z.ZodNullable<z.ZodNumber>>;
        interpretation: z.ZodOptional<z.ZodString>;
        note: z.ZodOptional<z.ZodString>;
        error: z.ZodOptional<z.ZodString>;
    }, z.core.$strip>>;
    count: z.ZodOptional<z.ZodNumber>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
    sampleSize: z.ZodOptional<z.ZodNumber>;
}, z.core.$strip>;
/**
 * Output schema for pg_stats_sampling
 */
export declare const SamplingOutputSchema: z.ZodObject<{
    table: z.ZodOptional<z.ZodString>;
    method: z.ZodOptional<z.ZodString>;
    sampleSize: z.ZodOptional<z.ZodNumber>;
    rows: z.ZodOptional<z.ZodArray<z.ZodRecord<z.ZodString, z.ZodUnknown>>>;
    truncated: z.ZodOptional<z.ZodBoolean>;
    totalSampled: z.ZodOptional<z.ZodNumber>;
    note: z.ZodOptional<z.ZodString>;
    success: z.ZodOptional<z.ZodBoolean>;
    error: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
//# sourceMappingURL=output.d.ts.map