import type { ToolHandlerContext } from '../types.js';
export interface PatchFileChange {
    path: string;
    expected_hash?: string;
    edits?: Array<{
        old: string;
        new: string;
    }>;
    content?: string;
}
export interface ValidationError {
    path: string;
    error: string;
    detail?: string;
}
export interface ValidationResult {
    valid: boolean;
    errors: ValidationError[];
    fileContents: Map<string, string | null>;
}
export declare function sha256Hex(content: string): string;
export declare function validatePatchChanges(changes: PatchFileChange[], resolveBase: string, context?: ToolHandlerContext): Promise<ValidationResult>;