/**
 * GitGraph Diagram AST Types
 *
 * Represents the structure of a Mermaid gitGraph diagram.
 */
/**
 * Git commit statement
 */
export interface GitCommit {
    type: 'commit';
    id?: string;
    message?: string;
    tag?: string;
    commitType?: 'NORMAL' | 'REVERSE' | 'HIGHLIGHT';
}
/**
 * Git branch statement
 */
export interface GitBranch {
    type: 'branch';
    name: string;
    order?: number;
}
/**
 * Git checkout statement
 */
export interface GitCheckout {
    type: 'checkout';
    branch: string;
}
/**
 * Git merge statement
 */
export interface GitMerge {
    type: 'merge';
    branch: string;
    id?: string;
    tag?: string;
    commitType?: 'NORMAL' | 'REVERSE' | 'HIGHLIGHT';
}
/**
 * Git cherry-pick statement
 */
export interface GitCherryPick {
    type: 'cherry-pick';
    id: string;
    tag?: string;
    parent?: string;
}
/**
 * Union type for all git statements
 */
export type GitStatement = GitCommit | GitBranch | GitCheckout | GitMerge | GitCherryPick;
/**
 * GitGraph diagram direction
 */
export type GitGraphDirection = 'LR' | 'TB' | 'BT';
/**
 * GitGraph AST
 */
export interface GitGraphAST {
    type: 'gitGraph';
    direction?: GitGraphDirection;
    statements: GitStatement[];
    title?: string;
    accTitle?: string;
    accDescr?: string;
}
/**
 * Creates an empty GitGraph AST
 */
export declare function createEmptyGitGraphAST(): GitGraphAST;
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