export type VelocityPeriod = 'daily' | 'weekly' | 'quarterly';
export interface ContributorMetrics {
    id: string;
    commits: number;
    linesAdded: number;
    linesDeleted: number;
    issuesClosed: number;
    issuesOpened: number;
}
export interface VelocitySnapshot {
    period: VelocityPeriod;
    date: string;
    range: {
        start: string;
        end: string;
    };
    contributors: ContributorMetrics[];
    projectTotals: {
        commits: number;
        linesAdded: number;
        linesDeleted: number;
        issuesClosed: number;
        issuesOpened: number;
    };
    capturedAt: string;
}
export interface VelocitySnapshotInput {
    projectId?: string;
    period: VelocityPeriod;
    referenceDate?: string;
}
export interface VelocitySnapshotOutput {
    snapshotId: string;
    path: string;
    period: VelocityPeriod;
    date: string;
    range: {
        start: string;
        end: string;
    };
    contributorCount: number;
    totals: {
        commits: number;
        linesAdded: number;
        linesDeleted: number;
    };
}
export interface VelocityListInput {
    projectId?: string;
    period?: VelocityPeriod;
    limit?: number;
}
export interface VelocityListOutput {
    snapshots: Array<{
        id: string;
        period: VelocityPeriod;
        date: string;
        contributorCount: number;
        commits: number;
        linesAdded: number;
        linesDeleted: number;
    }>;
    total: number;
}
export interface VelocityTrend {
    metric: string;
    direction: 'up' | 'down' | 'stable';
    changePercent: number;
    current: number;
    previous: number;
}
export interface VelocityTrendsInput {
    projectId?: string;
    period: VelocityPeriod;
    metric?: 'commits' | 'lines' | 'issues';
}
export interface VelocityTrendsOutput {
    period: VelocityPeriod;
    trends: VelocityTrend[];
    comparedSnapshots: {
        current: string;
        previous: string;
    } | null;
}
export interface VelocityContributorInput {
    projectId?: string;
    contributorId: string;
    period?: VelocityPeriod;
    limit?: number;
}
export interface VelocityContributorOutput {
    contributorId: string;
    snapshots: Array<{
        date: string;
        period: VelocityPeriod;
        commits: number;
        linesAdded: number;
        linesDeleted: number;
        issuesClosed: number;
        issuesOpened: number;
    }>;
    totals: {
        commits: number;
        linesAdded: number;
        linesDeleted: number;
        issuesClosed: number;
        issuesOpened: number;
    };
}
export interface VelocityError {
    error: string;
    message: string;
    hint?: string;
}
export declare function captureSnapshot(input: VelocitySnapshotInput): Promise<VelocitySnapshotOutput | VelocityError>;
export declare function listSnapshots(input: VelocityListInput): Promise<VelocityListOutput | VelocityError>;
export declare function getTrends(input: VelocityTrendsInput): Promise<VelocityTrendsOutput | VelocityError>;
export declare function getContributorReport(input: VelocityContributorInput): Promise<VelocityContributorOutput | VelocityError>;
export declare function isVelocityError(result: unknown): result is VelocityError;
export interface InstallHookInput {
    projectId?: string;
    hookType?: 'post-commit' | 'post-push';
    periods?: VelocityPeriod[];
}
export interface InstallHookOutput {
    installed: boolean;
    hookPath: string;
    hookType: string;
    periods: VelocityPeriod[];
    message: string;
}
export interface UninstallHookInput {
    projectId?: string;
    hookType?: 'post-commit' | 'post-push';
}
export interface UninstallHookOutput {
    removed: boolean;
    hookPath: string;
    message: string;
}
export declare function installHook(input: InstallHookInput): Promise<InstallHookOutput | VelocityError>;
export declare function uninstallHook(input: UninstallHookInput): Promise<UninstallHookOutput | VelocityError>;
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