export type nil = undefined | unknown | null;
export type SchemaEntry = {
    key: string;
    rule: string;
};
export type DocsSection = {
    name: string;
    description?: string;
    variables: DocsVariable[];
};
export type DocsVariable = {
    key: string;
    description?: string;
    example?: string;
    rules: ParsedRule[];
    default?: string;
};
export type ParsedRule = {
    name: string;
    args: string[];
};
export type CommandName = 'init' | 'validate' | 'check' | 'lint' | 'docs' | undefined;
export type ValidationResult = string | true;
export type LintResult = {
    line: number;
    issue: string;
    content?: string;
    severity?: 'warning' | 'error' | 'notice';
};
export type LintResultWithRule = LintResult & {
    rule: string;
};
export type ValidatorFn = (key: string, value: string, args: string[]) => ValidationResult;
export type LintCheckFn = (lineNumber: number, lineContent: string) => LintResult | undefined;
export type LintCheck = {
    name: string;
    run: LintCheckFn;
    skipOnEmptyOrComment?: boolean;
};
export type ExpectedArguments = {
    command?: CommandName;
    file?: string;
    schema?: string;
    force?: boolean;
    output?: string;
};
export type Result = {
    isValid: boolean;
    issues: Issue[];
    summary: Summary;
};
export type Issue = {
    line?: number;
    key?: string;
    message: string;
    severity: 'error' | 'warning' | 'notice';
    rule?: string;
    value?: string;
};
export type Summary = {
    total: number;
    errors: number;
    warnings: number;
    notices: number;
};