export type VariableDefinition = {
    variableName: string;
    source: string;
    sourceArg?: string;
    extractor: string;
    extractorArg?: string;
    workspaceId: string;
};
export declare function isVariableDefinitionHeader(headerName: string): boolean;
export declare function createVariableDefinitionHeader(variableDefinition: VariableDefinition): string;
export declare function parseVariableDefinitionHeader(headerName: string): VariableDefinition;
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