/**
* Stateful Variable Interpolation System
* Supports all variable types with session state context
*/
import { SessionState } from './McpSession';
export interface InterpolationContext {
state: SessionState;
currentStepId?: string;
debugMode?: boolean;
}
/**
* Enhanced variable interpolation with full state support
*/
export declare class StatefulInterpolator {
private static readonly VARIABLE_PATTERN;
private static readonly VALID_TYPES;
/**
* Interpolate variables in text with session state context
*/
static interpolate(text: string, context: InterpolationContext): string;
/**
* Extract value from variable expression with state context
*/
private static extractValue;
/**
* Get value from flow inputs
*/
private static getInputValue;
/**
* Get value from environment variables
*/
private static getEnvironmentValue;
/**
* Get value from runtime variables
*/
private static getRuntimeValue;
/**
* Get value from configuration
*/
private static getConfigValue;
/**
* Get value from request headers (during execution)
*/
private static getHeaderValue;
/**
* Get value from step outputs
*/
private static getStepOutputValue;
/**
* Navigate nested object path
*/
private static navigatePath;
/**
* Extract all variable references from text
*/
static extractVariableReferences(text: string): string[];
/**
* Validate variable references against session state
*/
static validateReferences(references: string[], context: InterpolationContext): {
valid: string[];
invalid: {
reference: string;
error: string;
}[];
};
/**
* Build variable summary for debugging
*/
static buildVariableSummary(context: InterpolationContext): {
availableInputs: string[];
availableEnvironment: string[];
availableRuntime: string[];
availableConfig: string[];
availableSteps: string[];
};
/**
* Interpolate object values recursively
*/
static interpolateObject(obj: any, context: InterpolationContext): any;
/**
* Check if text contains variable references
*/
static hasVariables(text: string): boolean;
/**
* Get all variable types used in text
*/
static getVariableTypes(text: string): string[];
}
