function collectContexts(oSubContext) {
			aSubContexts.push(oSubContext);
			if (bRecursive) {
				aSubContexts = aSubContexts.concat(oSubContext.getSubContextsArray(bRecursive));
			}
		}
Gets a flat array of the sub-contexts map for a deep create.

@param {boolean} [bRecursive] Whether to recursively collect all deep sub-contexts
@returns {sap.ui.model.odata.v2.Context[]} The array of sub-contexts

@private