declare class IssueError extends Error {
    code: string;
    constructor(message: string, code: string);
}
declare class FileNotFoundError extends IssueError {
    constructor(file: string);
}
declare class InvalidFilenameError extends IssueError {
    constructor(filename: string);
}
declare class InvalidTargetError extends IssueError {
    constructor(target: string, validTypes: readonly string[], validStates: readonly string[]);
}
declare class FileExistsError extends IssueError {
    constructor(file: string);
}
declare class TemplateNotFoundError extends IssueError {
    constructor(type: string, validTypes: readonly string[]);
}
declare class InvalidIssueTypeError extends IssueError {
    constructor(type: string, validTypes: readonly string[]);
}
declare class IdCollisionError extends IssueError {
    constructor(id: string);
}
declare class FrontmatterError extends IssueError {
    constructor(message: string);
}
declare class ContentError extends IssueError {
    constructor(message: string);
}
declare class InvalidStateError extends IssueError {
    constructor(from: string, to: string);
}
declare class StateTransitionError extends IssueError {
    constructor(from: string, to: string, reason: string);
}
declare function handleError(error: unknown): never;

export { ContentError, FileExistsError, FileNotFoundError, FrontmatterError, IdCollisionError, InvalidFilenameError, InvalidIssueTypeError, InvalidStateError, InvalidTargetError, IssueError, StateTransitionError, TemplateNotFoundError, handleError };