import { PromptTemplate } from '@langchain/core/prompts';
import { BaseRetriever } from '@langchain/core/retrievers';
import { IGraphNode, RunnableConfig } from '../../../graphs';
import { LLMProvider } from '../../../types';
import { DbQueryState } from '../state';
import { QueryTemplateMetadata } from '../types';
import { PermissionHelper } from '../services/permission-helper.service';
import { SchemaStore } from '../services/schema.store';
import { TemplateHelper } from '../services/template-helper.service';
export declare class CheckTemplatesNode implements IGraphNode<DbQueryState> {
    private readonly templateCache;
    private readonly llm;
    private readonly permissionHelper;
    private readonly templateHelper;
    private readonly schemaStore;
    constructor(templateCache: BaseRetriever<QueryTemplateMetadata>, llm: LLMProvider, permissionHelper: PermissionHelper, templateHelper: TemplateHelper, schemaStore: SchemaStore);
    matchPrompt: PromptTemplate<import("@langchain/core/prompts").ParamsFromFString<"\n<instructions>\nYou are an expert at matching user prompts to query templates.\nGiven a user prompt and a list of query templates with their canonical prompts and placeholders, determine if any template can EXACTLY fulfill the user's request.\n\nA template is a match ONLY if ALL of the following are true:\n- The template produces exactly the data the user is asking for — not more, not less\n- The user's intent is identical to the template's purpose, just with different parameter values\n- All non-optional placeholders can be filled from the user's prompt or have defaults\n- The template does not include extra filters, columns, or logic that the user did not ask for\n- The template does not omit any filters, columns, or logic that the user is asking for\n\nDo NOT match if:\n- The template is only similar or partially relevant\n- The template would need structural changes beyond placeholder substitution to answer the question\n- The user is asking for something the template cannot express through its placeholders alone\n</instructions>\n<user-prompt>\n{prompt}\n</user-prompt>\n<templates>\n{templates}\n</templates>\n<output-format>\nIf a template is an exact match, return: match <index-starting-from-1>\nIf no template exactly matches, return: no_match\n\nDo not return any other text or explanation.\n</output-format>">, any>;
    execute(state: DbQueryState, config: RunnableConfig): Promise<Partial<DbQueryState>>;
}