import { type LanguageModel } from 'ai';
import { predicateSchema, type Predicate } from '../definition/predicate.js';
import type { FlowValidationIssue } from '../definition/validate/types.js';
export declare const NL_PREDICATE_COMPILER_VERSION = "1";
export declare const NL_PREDICATE_COMPILER_SYSTEM: string;
export interface NlPredicateProvenance {
    modelId: string;
    promptHash: string;
    compilerVersion: string;
}
export interface NlPredicateProvider {
    readonly modelId: string;
    generatePredicate(args: {
        schema: typeof predicateSchema;
        system: string;
        prompt: string;
    }): Promise<unknown>;
}
export type CompileNlPredicateResult = {
    ok: true;
    predicate: Predicate;
    provenance: NlPredicateProvenance;
} | {
    ok: false;
    issues: FlowValidationIssue[];
};
export declare function nlPredicatePromptHash(): Promise<string>;
export declare function isNlPredicateProvider(value: unknown): value is NlPredicateProvider;
export declare function isPathInKnownVariables(path: string, knownVariables: readonly string[]): boolean;
export declare function scopedPredicateIssues(predicate: Predicate, knownVariables: readonly string[], issuePath: string): FlowValidationIssue[];
export declare function compileNlPredicate(nl: string, knownVariables: readonly string[], provider: NlPredicateProvider | LanguageModel, issuePath?: string): Promise<CompileNlPredicateResult>;