import type { FlowrAnalyzerContext } from './flowr-analyzer-context';
import type { IEnvironment, REnvironmentInformation } from '../../dataflow/environments/environment';
import type { DeepReadonly } from 'ts-essentials';
import type { IdentifierDefinition } from '../../dataflow/environments/identifier';
import { Identifier } from '../../dataflow/environments/identifier';
import type { BuiltInIdentifierDefinition } from '../../dataflow/environments/built-in';
import type { Fingerprint } from '../../slicing/static/fingerprint';
/**
 * Read-only interface to the {@link FlowrAnalyzerEnvironmentContext}.
 */
export interface ReadOnlyFlowrAnalyzerEnvironmentContext {
    /**
     * Get the built-in environment used during analysis.
     */
    get builtInEnvironment(): DeepReadonly<IEnvironment>;
    /**
     * Every built-in definition flowR carries for `name`, matched by its plain name.
     */
    builtInDefinitionsOf(name: Identifier): readonly IdentifierDefinition[];
    /**
     * The built-in function flowR defines for `name`, respecting its namespace: `dplyr::filter` picks
     * flowR's `dplyr` definition rather than whatever else is registered under `filter`.
     */
    builtInFunctionOf(name: Identifier): BuiltInIdentifierDefinition | undefined;
    /**
     * Whether flowR carries definitions of its own for package `pkg`, i.e. whether it knows what attaching
     * that package brings even when no signature database resolves it. Built once and kept, as the built-in
     * environment does not change during an analysis.
     */
    knowsPackage(pkg: string): boolean;
    /**
     * Get the empty built-in environment used during analysis.
     * The empty built-in environment only contains primitive definitions.
     */
    get emptyBuiltInEnvironment(): DeepReadonly<IEnvironment>;
    /**
     * Create a new {@link REnvironmentInformation|environment} with the configured built-in environment as base.
     */
    makeCleanEnv(): REnvironmentInformation;
    /**
     * Get the fingerprint of the clean environment with the configured built-in environment as base.
     */
    getCleanEnvFingerprint(): Fingerprint;
    /**
     * Create a new {@link REnvironmentInformation|environment} with an empty built-in environment as base.
     */
    makeCleanEnvWithEmptyBuiltIns(): REnvironmentInformation;
    /**
     * A completely empty {@link REnvironmentInformation|environment}.
     */
    makeEmptyEnv(): REnvironmentInformation;
}
/**
 * Provides the built-in environment, created from the {@link FlowrAnalyzerContext} configuration.
 */
export declare class FlowrAnalyzerEnvironmentContext implements ReadOnlyFlowrAnalyzerEnvironmentContext {
    readonly name = "flowr-analyzer-environment-context";
    private readonly builtInEnv;
    private readonly emptyBuiltInEnv;
    private builtInEnvFingerprint;
    /** the packages {@link knowsPackage} answers for, collected from the built-in environment on first use */
    private knownPackages;
    constructor(ctx: FlowrAnalyzerContext);
    get builtInEnvironment(): DeepReadonly<IEnvironment>;
    get emptyBuiltInEnvironment(): DeepReadonly<IEnvironment>;
    builtInDefinitionsOf(name: Identifier): readonly IdentifierDefinition[];
    knowsPackage(pkg: string): boolean;
    builtInFunctionOf(name: Identifier): BuiltInIdentifierDefinition | undefined;
    makeCleanEnv(): REnvironmentInformation;
    getCleanEnvFingerprint(): Fingerprint;
    makeCleanEnvWithEmptyBuiltIns(): REnvironmentInformation;
    makeEmptyEnv(): REnvironmentInformation;
}