export type GitGraftEnhanceSemverImpact = "major" | "minor" | "patch" | "none";
export type GitGraftEnhanceSymbolChangeKind = "added" | "removed" | "changed";
export type GitGraftEnhanceProvenanceHintStatus = "available" | "unavailable";
export interface GitGraftEnhanceDiffBucket {
    readonly length: number;
}
export interface GitGraftEnhanceSymbolDiffEntry {
    readonly name?: string | undefined;
    readonly symbol?: string | undefined;
    readonly kind?: string | undefined;
    readonly signature?: string | undefined;
    readonly exported?: boolean | undefined;
}
export interface GitGraftEnhanceFileDiff {
    readonly path: string;
    readonly status: string;
    readonly summary: string;
    readonly diff: {
        readonly added: readonly GitGraftEnhanceSymbolDiffEntry[];
        readonly removed: readonly GitGraftEnhanceSymbolDiffEntry[];
        readonly changed: readonly GitGraftEnhanceSymbolDiffEntry[];
        readonly unchangedCount?: number | undefined;
    };
}
export interface GitGraftEnhanceStructuralInput {
    readonly base: string;
    readonly head: string;
    readonly summary: string;
    readonly layer: string;
    readonly files: readonly GitGraftEnhanceFileDiff[];
    readonly refused?: readonly unknown[] | undefined;
}
export interface GitGraftEnhanceExportsInput {
    readonly base: string;
    readonly head: string;
    readonly added: readonly unknown[];
    readonly removed: readonly unknown[];
    readonly changed: readonly unknown[];
    readonly semverImpact: GitGraftEnhanceSemverImpact;
    readonly summary: string;
}
export interface BuildGitGraftEnhanceModelInput {
    readonly since: string;
    readonly head: string;
    readonly structural: GitGraftEnhanceStructuralInput;
    readonly exports: GitGraftEnhanceExportsInput;
    readonly provenanceHints?: readonly GitGraftEnhanceProvenanceHint[] | undefined;
}
export interface GitGraftEnhanceTopFile {
    readonly path: string;
    readonly status: string;
    readonly changeCount: number;
    readonly summary: string;
}
export interface GitGraftEnhanceModel {
    readonly range: {
        readonly since: string;
        readonly head: string;
    };
    readonly structural: {
        readonly changedFiles: number;
        readonly addedSymbols: number;
        readonly removedSymbols: number;
        readonly changedSymbols: number;
        readonly topFilesByChangeCount: readonly GitGraftEnhanceTopFile[];
    };
    readonly exports: {
        readonly changed: boolean;
        readonly semverImpact: GitGraftEnhanceSemverImpact;
        readonly addedExports: number;
        readonly removedExports: number;
        readonly changedExports: number;
    };
    readonly warnings: readonly string[];
    readonly provenanceHints: readonly GitGraftEnhanceProvenanceHint[];
}
export interface GitGraftEnhanceProvenanceCandidate {
    readonly symbol: string;
    readonly filePath: string;
    readonly changeKind: GitGraftEnhanceSymbolChangeKind;
    readonly ambiguous: boolean;
}
export interface GitGraftEnhanceProvenanceHint {
    readonly symbol: string;
    readonly filePath: string;
    readonly changeKind: GitGraftEnhanceSymbolChangeKind;
    readonly ambiguous: boolean;
    readonly status: GitGraftEnhanceProvenanceHintStatus;
    readonly createdInCommit?: string | null | undefined;
    readonly lastSignatureChange?: string | null | undefined;
    readonly referenceCount?: number | undefined;
    readonly changeCount?: number | undefined;
    readonly reason?: string | undefined;
}
export declare function collectGitGraftEnhanceProvenanceCandidates(structural: GitGraftEnhanceStructuralInput, limit?: number): readonly GitGraftEnhanceProvenanceCandidate[];
export declare function buildGitGraftEnhanceModel(input: BuildGitGraftEnhanceModelInput): GitGraftEnhanceModel;
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