export type FunnelValidationExitCode = 0 | 1 | 2;
export type FunnelValidationDiagnostic = {
    code: string;
    severity: 'error';
    file: string | null;
    stepId: string | null;
    expected?: unknown;
    received?: unknown;
    reason: string;
    guide: string;
    repair: string;
};
export type FunnelValidationResult = {
    schemaVersion: 1;
    contractVersion: number;
    valid: boolean;
    diagnostics: readonly FunnelValidationDiagnostic[];
    warnings?: readonly string[];
    exitCode: FunnelValidationExitCode;
};
export type ValidationOutputInput = {
    command: string;
    result: FunnelValidationResult;
};
export type FunnelValidationOutput = {
    schemaVersion: 1;
    command: string;
    contractVersion: number;
    valid: boolean;
    diagnostics: readonly FunnelValidationDiagnostic[];
    warnings?: readonly string[];
    exitCode: FunnelValidationExitCode;
};
export type ValidationDiagnosticInput = Omit<FunnelValidationDiagnostic, 'severity' | 'file' | 'stepId' | 'expected' | 'received'> & {
    file?: string | null;
    stepId?: string | null;
    expected: unknown;
    received: unknown;
};
export declare const createValidationDiagnostic: (input: ValidationDiagnosticInput) => FunnelValidationDiagnostic;
export declare const isValidationDiagnostic: (value: unknown) => value is FunnelValidationDiagnostic;
export declare const buildValidationOutput: (input: ValidationOutputInput) => FunnelValidationOutput;
export declare const renderValidationJson: (input: ValidationOutputInput) => string;
export declare const renderValidationHuman: (input: ValidationOutputInput) => string;