import type { Tool } from "@modelcontextprotocol/server";
import type { ToolContext, ToolResult } from '../types.js';
import type { RiskLevel } from '../core/tool-registry.js';
export declare const MATERIAL_ERROR_CODES: {
    readonly MATERIAL_NOT_FOUND: "MATERIAL_NOT_FOUND";
    readonly INVALID_MATERIAL_TYPE: "INVALID_MATERIAL_TYPE";
    readonly INVALID_PARAM_TYPE: "INVALID_PARAM_TYPE";
    readonly SHADER_COMPILE_FAILED: "SHADER_COMPILE_FAILED";
    readonly RESOURCE_SAVE_FAILED: "RESOURCE_SAVE_FAILED";
    readonly INVALID_TEMPLATE: "INVALID_TEMPLATE";
    readonly SCRIPT_EXEC_FAILED: "SCRIPT_EXEC_FAILED";
};
export declare function validateParamType(v: unknown): 'number' | 'string' | 'boolean' | 'null' | 'array';
/**
 * Parse a JS value into a GDScript literal.
 * - number  → "3.14"
 * - boolean → "true" / "false"
 * - null/undefined → "null"
 * - string  → '"escaped"' (or 'load("res://...")' when forShader=true and value starts with res://)
 * - array[2] → "Vector2(x, y)"
 * - array[3] → "Vector3(x, y, z)"
 * - array[4] → "Color(r, g, b, a)"
 */
export declare function parseMaterialParam(value: unknown, forShader?: boolean): string;
export declare function genMaterialReadScript(nodePath: string, materialIndex: number): string;
export declare function genMaterialSetParamsScript(nodePath: string, materialIndex: number, params: Record<string, unknown>): string;
export declare function genMaterialCreateScript(nodePath: string, materialType: string, shaderPath?: string): string;
export declare function genMaterialSaveScript(nodePath: string, materialIndex: number, resourcePath: string): string;
export declare function genMaterialLoadScript(nodePath: string, resourcePath: string): string;
export declare function genShaderReadScript(nodePath: string, materialIndex: number): string;
export declare function genShaderWriteScript(nodePath: string, materialIndex: number, code: string): string;
export declare function genShaderLoadFileScript(nodePath: string, materialIndex: number, filePath: string): string;
export declare function genShaderSaveFileScript(filePath: string, code: string): string;
export declare function genShaderApplyTemplateScript(nodePath: string, materialIndex: number, templateName: string): string;
export declare function getToolDefinitions(): Tool[];
export declare function handleTool(name: string, args: Record<string, unknown>, ctx: ToolContext): Promise<ToolResult | null>;
export declare const TOOL_META: Record<string, {
    readonly: boolean;
    long_running: boolean;
    actionRisks?: Record<string, RiskLevel>;
}>;